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5 commits
main
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sleeve-imp
| Author | SHA1 | Date | |
|---|---|---|---|
 Peter
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024be342cc
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Peter
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4cff3dfdba | ||
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Peter
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cbf5f1da13
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Peter
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a706ce3f8c
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Peter
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ce42c5177c
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146
Can Sleeve/1A_MainLogo_Cube_2021.svg
Normal file
146
Can Sleeve/1A_MainLogo_Cube_2021.svg
Normal file
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@ -0,0 +1,146 @@
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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||||||
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<!-- Generator: Adobe Illustrator 25.2.3, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->
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||||||
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||||||
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<svg
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||||||
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version="1.1"
|
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id="Ebene_1"
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|
x="0px"
|
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|
y="0px"
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viewBox="0 0 1280 1280"
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style="enable-background:new 0 0 1280 1280;"
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||||||
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xml:space="preserve"
|
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sodipodi:docname="1A_MainLogo_Cube_2021.svg"
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inkscape:version="1.3.2 (091e20e, 2023-11-25)"
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xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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|
xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:svg="http://www.w3.org/2000/svg"><defs
|
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|
id="defs15" /><sodipodi:namedview
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|
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<circle
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r="63.05"
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<path
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class="st5"
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<path
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class="st5"
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<circle
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class="st5"
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cx="198.52"
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cy="842.03"
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r="63.05"
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id="circle14" />
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<path
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class="st5"
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d="M256.22,894.59h-8.65c-12.58,14.17-29.9,22.95-49.04,22.95s-36.46-8.77-49.04-22.95h-8.65 c-12.27,16.33-21.48,42.99-27.92,67.5c-7.64,29.09,14.64,57.45,44.71,57.45h40.62h0.57h40.62c30.07,0,52.35-28.37,44.71-57.45 C277.7,937.59,268.49,910.93,256.22,894.59z"
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id="path15" />
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</svg>
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After Width: | Height: | Size: 7.3 KiB |
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@ -1,39 +1,102 @@
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$fa = $preview ? 12 : 1;
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// Name on the can
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$fs = $preview ? 1 : 0.2;
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name = "Peter";
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height=168;
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// Can height
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diameter=67;
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can_height = 168;// [115:330mL,168:500mL,135:Energy Drink,180:Energy Drink L,146:Soda Sleek]
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thickness=2.5;
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// Can width
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can_dia = 67;// [67:330mL,67:500mL,53:Energy Drink,63:Energy Drink L,58:Soda Sleek]
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intersection(){
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// Lip height
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union(){
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lip = 15;
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difference(){
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// Total wall thickness
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cylinder(h=(height+thickness-15),r=diameter/2+thickness,center=true);
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thickness = 2.5;
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translate([0,0,thickness/2+.1])
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// Inner/Outer Wall thickness
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cylinder(h=(height-15+.1),r=diameter/2,center=true);
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wall = 0.8;//[0.1:0.1:2.4]
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translate([0,0,.6])
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// Interior ribs
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difference(){
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ribs = 7;// [1:1:9]
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cylinder(h=(height-15-1.2),r=diameter/2+thickness-.6,center=true);
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cylinder(h=(height-15-1.0),r=diameter/2+.6,center=true);
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include <../lib/defaults.scad>
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;
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use <../lib/text_on.scad>
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;
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// For the Preview Crosssection
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intersection() {
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// To remove unnecessary edges
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difference() {
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union() {
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// Primary Cylinder, inner & outer wall
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translate([0, 0, thickness / 2])
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union() {
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difference() {
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cylinder(h = can_height - lip - 2 * thickness, r = can_dia / 2 + thickness, center = true);
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cylinder(h = can_height - lip - 2 * thickness + .1, r = can_dia / 2 + thickness - wall, center = true);
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}
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difference() {
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cylinder(h = can_height - lip - 2 * thickness, r = can_dia / 2 + wall, center = true);
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cylinder(h = can_height - lip - 2 * thickness + .1, r = can_dia / 2, center = true);
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}
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}
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// Rounded lip
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translate([0, 0, (can_height - lip - thickness) / 2])
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rotate_extrude()
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translate([(can_dia + thickness) / 2, 0, 0])
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intersection() {
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circle(thickness / 2);
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translate([-(thickness + 1) / 2, 0, 0])
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square(thickness + 1);
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}
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// Bottom
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translate([0, 0, -(can_height - lip - 3 * thickness) / 2])
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rotate_extrude()
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translate([can_dia / 2, 0, 0])
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intersection() {
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union() {
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difference() {
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||||||
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circle(thickness);
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||||||
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circle(thickness - wall);
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||||||
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}
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circle(wall);
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rotate([0, 0, 45])
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||||||
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square([thickness - 2 * wall, thickness * 2 - wall], center = true);
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||||||
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}
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||||||
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translate([0, -thickness, 0])
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||||||
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square(thickness);
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||||||
}
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}
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}
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for(i=[-4:1:4]){
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translate([0, 0, -(can_height - lip - 2 * thickness) / 2])
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translate([0,0,i*15])
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difference() {
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||||||
union(){
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cylinder(h = thickness, r = can_dia / 2, center = true);
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||||||
difference(){
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rotate([180, 0, 0])
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||||||
cylinder(h=2, r=diameter/2+thickness,center=true);
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resize([can_dia * .9, can_dia * .9, 0], [true, true, false])
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||||||
cylinder(h=2.1, r=diameter/2, center=true);
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linear_extrude(height = thickness / 2 + .1)
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||||||
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import(file = "1A_MainLogo_Cube_2021.svg", center = true);
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||||||
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}
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||||||
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|
||||||
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//
|
||||||
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// Ribs for structural strengt & grip
|
||||||
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for(i = [-((ribs - 1) / 2):((ribs - 1) / 2)]) {
|
||||||
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translate([0, 0, i * (can_height - lip) / (ribs + 1)])
|
||||||
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union() {
|
||||||
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difference() {
|
||||||
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cylinder(h = 2, r = can_dia / 2 + thickness, center = true);
|
||||||
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cylinder(h = 2.1, r = can_dia / 2, center = true);
|
||||||
}
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}
|
||||||
rotate_extrude()
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rotate_extrude()
|
||||||
translate([diameter/2,0,0])
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translate([can_dia / 2, 0, 0])
|
||||||
scale([.5,1,1])
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scale([.25, 1, 1])
|
||||||
circle(r=1);
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circle(r = 1);
|
||||||
}
|
}
|
||||||
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}
|
||||||
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text_on_cylinder(t = name, r = can_dia / 2 + thickness, h = can_height / 2, size = 10, center = true, cylinder_center = true, extrusion_height = wall, font = "Hack Nerd Font");
|
||||||
}
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}
|
||||||
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translate([-1.4,2.1,0])
|
||||||
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cylinder(h=can_height, r=2.1, center=true);
|
||||||
|
}
|
||||||
|
if ($preview) {
|
||||||
|
translate([0, 5 + can_dia / 4, 0])
|
||||||
|
cube([can_dia + 10, 10 + can_dia / 2, can_height + 10], center = true);
|
||||||
|
translate([0, 0, (thickness + lip) / 2])
|
||||||
|
%cylinder(h = can_height, d = can_dia, center = true);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
if($preview){
|
|
||||||
translate([0,20,0])
|
|
||||||
cube([80,40,200], center=true);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
5
lib/defaults.scad
Normal file
5
lib/defaults.scad
Normal file
|
|
@ -0,0 +1,5 @@
|
||||||
|
nozzle = !is_undef(nozzle) ? nozzle : 0.4;
|
||||||
|
layer = !is_undef(layer) ? layer : 0.2;
|
||||||
|
|
||||||
|
$fa = $preview ? 10 : 0.01;
|
||||||
|
$fs = $preview ? 1 : min(layer, nozzle/2);
|
||||||
667
lib/text_on.scad
Normal file
667
lib/text_on.scad
Normal file
|
|
@ -0,0 +1,667 @@
|
||||||
|
/* text on ....
|
||||||
|
This is a rework of version 3 of write.scad to use the new OpenSCAD internal text() primitive.
|
||||||
|
All credit to Harlan Martin (harlan@sutlog.com) for his great effort on the original.
|
||||||
|
Great thanks to t-paul (and the OpenSCAD dev team) on adding the new text() primitive.
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
The arguments to be provided for each function are explictly in the modules.
|
||||||
|
|
||||||
|
All modules take close to all the arguments to text() [Not all features are supported in all text_on_object() modules though -- try them out warnings will be given if it is not supported]
|
||||||
|
|
||||||
|
text() params:
|
||||||
|
t
|
||||||
|
size
|
||||||
|
spacing
|
||||||
|
font
|
||||||
|
direction -- ltr, ttb, btt or rtl
|
||||||
|
language
|
||||||
|
script
|
||||||
|
halign -- left, right or center
|
||||||
|
valign -- baseline, bottom, top or center
|
||||||
|
|
||||||
|
All modules also take the additional arguments:
|
||||||
|
extrusion_height = depth of the letter, i.e. how far it sits proud
|
||||||
|
rotate
|
||||||
|
center //center the text at the location it is being written (NOT that the object is centered)
|
||||||
|
|
||||||
|
ALL faux-objects that the text is applied to have center=true
|
||||||
|
TODO: object_center=true/false (already done for cylinder)
|
||||||
|
|
||||||
|
The above arguemnts can be seen in text_extrude() as all modules call that module evetually (often multiple times).
|
||||||
|
|
||||||
|
locn_vector -- Where the faux-object has been translated to. TODO: Rename object to translate_vector?
|
||||||
|
|
||||||
|
Additional arguments for text_on_cube():
|
||||||
|
|
||||||
|
Additional arguments for text_on_cylinder():
|
||||||
|
|
||||||
|
Additional arguments for text_on_circle():
|
||||||
|
|
||||||
|
Additional arguments for text_on_sphere():
|
||||||
|
|
||||||
|
|
||||||
|
*/
|
||||||
|
|
||||||
|
// These control the default values for text_extrude(), text_on_sphere(), text_on_cube(), text_on_cylinder(), text_on_circle()
|
||||||
|
// if the arguments are not included in the call to the module.
|
||||||
|
|
||||||
|
// Defaults
|
||||||
|
// Defaults for all modules
|
||||||
|
default_t = "text_on";
|
||||||
|
default_size = 4; // TODO - Can we make this 10?? To match internal size? There is an underlying value in text() -- This masks that.
|
||||||
|
default_font = "Liberation Mono";
|
||||||
|
default_spacing = 1; // Spacing between characters. There is an underlying value in text() -- This masks that. We try and match it here.
|
||||||
|
default_rotate = 0; // text rotation (clockwise)
|
||||||
|
default_center = true; //Text-centering
|
||||||
|
default_scale = [1,1,1];
|
||||||
|
default_extrusion_height = 2; //mm letter extrusion height
|
||||||
|
default_buffer_width = 0; //mm of buffer (thickening in all directions) to add to each letter
|
||||||
|
|
||||||
|
//Defaults for Cube
|
||||||
|
default_cube_face = "front"; // default face (top,bottom,left,right,back,front)
|
||||||
|
default_sphere_rounded = false; // default for rounded letters on text_on_sphere
|
||||||
|
default_cube_updown = 0; // mm up (-down) from center on face of cube
|
||||||
|
default_cube_rightleft = 0; // mm right(-left) from center on face of cube
|
||||||
|
|
||||||
|
//Defaults for Sphere
|
||||||
|
default_sphere_northsouth = 0;
|
||||||
|
default_sphere_eastwest = 0;
|
||||||
|
default_sphere_spin = 0; // TODO:Different to rotate? or up/down. Better name?
|
||||||
|
|
||||||
|
//Defaults for Cylinder (including circle as it is on top/bottom)
|
||||||
|
default_circle_middle = 0; // (mm toward middle of circle)
|
||||||
|
default_circle_ccw = false; // write on top or bottom in a ccw direction
|
||||||
|
default_circle_eastwest = 0;
|
||||||
|
default_cylinder_face = "side";
|
||||||
|
default_cylinder_updown = 0;
|
||||||
|
|
||||||
|
// Internal values - don't play with these :)
|
||||||
|
// This is much more accurate than the PI constant internal to Openscad.
|
||||||
|
internal_pi = 3.1415926535897932384626433832795028841971693993751058209;
|
||||||
|
internal_pi2 = internal_pi * 2;
|
||||||
|
|
||||||
|
// Internal values - You might want to play with these if you are using a proportional font
|
||||||
|
internal_space_fudge = 0.80; // Fudge for working out lengths (widths) of strings
|
||||||
|
|
||||||
|
debug = true;
|
||||||
|
|
||||||
|
// ---- Helper Functions ----
|
||||||
|
// String width (length from left to right or RTL) in OpenSCAD units
|
||||||
|
// NOTE: These are innacurate because we don't know the real spacing of the chars and so have to approximate
|
||||||
|
// They work for monospaced (fixed-width) fonts well
|
||||||
|
function width_of_text_char(size, spacing) = size * internal_space_fudge * spacing;
|
||||||
|
function width_of_text_string_num_length(length, size, spacing) = width_of_text_char(size, spacing) * length;
|
||||||
|
function width_of_text_string(t, size, spacing) = width_of_text_string_num_length(len(t), size, spacing);
|
||||||
|
|
||||||
|
function cylinder_center_adjusted_top(height, center) = (center == true) ? height / 2 : height;
|
||||||
|
function cylinder_center_adjusted_bottom(height, center) = (center == true) ? height / 2 : 0;
|
||||||
|
|
||||||
|
|
||||||
|
//Angle that measures width of letters on perimeter of a circle (and sphere and cylinder)
|
||||||
|
function rotation_for_character(size, spacing, r, rotate = 0) = (width_of_text_char( size, spacing ) / (internal_pi2 * r)) * 360 * (1 - abs(rotate) / 90);
|
||||||
|
|
||||||
|
|
||||||
|
//Rotate 1/2 width of text if centering
|
||||||
|
//One less -- if we have a single char we are already centred..
|
||||||
|
function rotation_for_center_text_string(t, size, spacing, r, rotate, center) = (center) ? (width_of_text_string_num_length(len(t) - 1, size, spacing) / 2 / (internal_pi2 * r) * 360) : 0;
|
||||||
|
|
||||||
|
//Rotate according to rotate and if centred text also 1/2 width of text
|
||||||
|
function rotation_for_center_text_string_and_rotate(t, size, spacing,r,rotate,center) = ((center) ? (width_of_text_string(t, size, spacing) / 2 / (internal_pi2 * r) * 360) : 1) * (1 - abs(rotate) / 90);
|
||||||
|
|
||||||
|
|
||||||
|
//---- Text on Object Functions ----
|
||||||
|
//Text on the top or side of a cylinder.
|
||||||
|
//Supports writing on normal and slanty cylinders
|
||||||
|
//cylinder(h,r,center)
|
||||||
|
//cylinder(h,r1,r2,center)
|
||||||
|
module text_on_cylinder(t = default_t,
|
||||||
|
//Object-specific
|
||||||
|
locn_vec = [0,0,0],
|
||||||
|
r,
|
||||||
|
r1,
|
||||||
|
r2,
|
||||||
|
h,
|
||||||
|
face = default_cylinder_face,
|
||||||
|
updown = default_cylinder_updown,
|
||||||
|
rotate = default_rotate,
|
||||||
|
eastwest = default_circle_eastwest,
|
||||||
|
middle = default_circle_middle,
|
||||||
|
ccw = default_circle_ccw,
|
||||||
|
cylinder_center = false, //if the cylinder object we are writing on is center==true
|
||||||
|
//TODO: add rounded
|
||||||
|
|
||||||
|
//All objects
|
||||||
|
extrusion_height = default_extrusion_height,
|
||||||
|
center = default_center,
|
||||||
|
//All objects -- arguments as for text()
|
||||||
|
font = undef,
|
||||||
|
size = default_size,
|
||||||
|
direction = undef,
|
||||||
|
halign = undef,
|
||||||
|
valign = undef,
|
||||||
|
language = undef,
|
||||||
|
script = undef,
|
||||||
|
spacing = default_spacing) {
|
||||||
|
|
||||||
|
// echo (str("text_on_cylinder:There are " ,len(t) ," letters in t" , t));
|
||||||
|
// echo (str("text_on_cylinder:","h" , h));
|
||||||
|
// echo (str("text_on_cylinder:","r=" , r));
|
||||||
|
// echo (str("text_on_cylinder:","r1=" , r1));
|
||||||
|
// echo (str("text_on_cylinder:","r2=" , r2));
|
||||||
|
|
||||||
|
if((halign != undef) || (halign != undef)) {
|
||||||
|
echo(str("text_on_cylinder:","WARNING " , "halign and valign are NOT supported."));
|
||||||
|
}
|
||||||
|
|
||||||
|
rtl_sign = (direction == "rtl") ? -1 : 1;
|
||||||
|
if((face == "top") || (face == "bottom")) {
|
||||||
|
//Work on a circle
|
||||||
|
locn_offset_vec = (face == "top" ) ? [0, 0, cylinder_center_adjusted_top(h, cylinder_center)] : [0, 0, cylinder_center_adjusted_bottom(h, cylinder_center)];
|
||||||
|
rotation_angle = (face == "top" ) ? 0 : 180;
|
||||||
|
int_radius = (r == undef) ? ((face == "top" ) ? r2 : r1 ) : r; //Use the top/bottom radius for slanty-cylinders
|
||||||
|
rotate(rotation_angle, [1, 0, 0])
|
||||||
|
text_on_circle(t,
|
||||||
|
locn_vec + locn_offset_vec,
|
||||||
|
r = int_radius-size,
|
||||||
|
font = font,size=size,
|
||||||
|
spacing = spacing,
|
||||||
|
direction = direction,
|
||||||
|
language = language,
|
||||||
|
script = script,
|
||||||
|
halign = halign,
|
||||||
|
valign = valign,
|
||||||
|
extrusion_height = extrusion_height,
|
||||||
|
rotate = rotate,
|
||||||
|
eastwest = eastwest,
|
||||||
|
middle = middle,
|
||||||
|
ccw = ccw);
|
||||||
|
} else {
|
||||||
|
if((middle != undef) && (middle != default_circle_middle)) {
|
||||||
|
//TODO: Which others?
|
||||||
|
//TODO: Which side things aren't supported on the circle
|
||||||
|
echo(str("text_on_cylinder:","WARNING " , "middle NOT supported for the SIDE of a cylinder."));
|
||||||
|
}
|
||||||
|
//Work on the side
|
||||||
|
locn_offset_vec = (cylinder_center == true) ? [0, 0, 0] : [0, 0, h / 2];
|
||||||
|
rotate(-rtl_sign * rotation_for_center_text_string_and_rotate(t, size, spacing, r, rotate, center), [0, 0, 1])
|
||||||
|
translate(locn_vec + locn_offset_vec)
|
||||||
|
__internal_text_on_cylinder_side(t,
|
||||||
|
locn_vec,
|
||||||
|
r = r,
|
||||||
|
h = h,
|
||||||
|
r1 = r1,
|
||||||
|
r2 = r2,
|
||||||
|
cylinder_center = cylinder_center,
|
||||||
|
center = center,
|
||||||
|
font = font,
|
||||||
|
size = size,
|
||||||
|
spacing = spacing,
|
||||||
|
direction = direction,
|
||||||
|
language = language,
|
||||||
|
script = script,
|
||||||
|
halign = halign,
|
||||||
|
valign = valign,
|
||||||
|
extrusion_height = extrusion_height,
|
||||||
|
rotate = rotate,
|
||||||
|
face = face,
|
||||||
|
updown = updown,
|
||||||
|
eastwest = eastwest);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//circle(r)
|
||||||
|
module text_on_circle(t = default_t,
|
||||||
|
//Object-specific
|
||||||
|
locn_vec = [0, 0, 0],
|
||||||
|
r,
|
||||||
|
eastwest = default_circle_eastwest,
|
||||||
|
middle = default_circle_middle,
|
||||||
|
ccw = default_circle_ccw,
|
||||||
|
|
||||||
|
//All objects
|
||||||
|
extrusion_height = default_extrusion_height,
|
||||||
|
rotate = default_rotate,
|
||||||
|
center = default_center,
|
||||||
|
|
||||||
|
//All objects -- arguments as for text()
|
||||||
|
font = undef,
|
||||||
|
size = default_size,
|
||||||
|
direction = undef,
|
||||||
|
halign = undef,
|
||||||
|
valign = undef,
|
||||||
|
language = undef,
|
||||||
|
script = undef,
|
||||||
|
spacing = default_spacing,
|
||||||
|
buffer_width = default_buffer_width) {
|
||||||
|
// echo (str("text_on_circle:","There are " ,len(t) ," letters in t" , t));
|
||||||
|
// echo (str("text_on_circle:","rotate=" , rotate));
|
||||||
|
// echo (str("text_on_circle:","eastwest=" , eastwest));
|
||||||
|
|
||||||
|
if((halign != undef) || (halign != undef)) {
|
||||||
|
echo(str("text_on_circle:","WARNING " , "halign and valign are NOT supported."));
|
||||||
|
}
|
||||||
|
|
||||||
|
ccw_sign = (ccw == true) ? 1 : -1;
|
||||||
|
rtl_sign = (direction == "rtl") ? -1 : 1;
|
||||||
|
ttb_btt_inaction = (direction == "ttb" || direction == "btt") ? 0 : 1;
|
||||||
|
rotate_z_outer = -rotate + ccw_sign * eastwest;
|
||||||
|
rotate_z_inner = -rtl_sign * ccw_sign * ttb_btt_inaction * rotation_for_center_text_string(t, size, spacing, r-middle, rotate, center);
|
||||||
|
rotate(rotate_z_outer, [0, 0, 1] )
|
||||||
|
rotate(rotate_z_inner, [0, 0, 1] )
|
||||||
|
translate(locn_vec)
|
||||||
|
for(l = [0 : len(t) - 1]) {
|
||||||
|
//TTB/BTT means no per letter rotation
|
||||||
|
rotate_z_inner2 = -ccw_sign * 90 + ttb_btt_inaction * rtl_sign * ccw_sign * l * rotation_for_character(size, spacing, r - middle, rotate = 0); //Bottom out=-270+r
|
||||||
|
//TTB means we go toward center, BTT means away
|
||||||
|
vert_x_offset = (direction == "ttb" || direction == "btt") ? (l * size * ((direction == "btt") ? -1 : 1)) : 0;
|
||||||
|
rotate(rotate_z_inner2, [0, 0, 1])
|
||||||
|
translate([r - middle - vert_x_offset, 0, 0])
|
||||||
|
rotate(-ccw_sign * 270, [0, 0, 1]) // flip text (botom out = -270)
|
||||||
|
text_extrude(t[l],
|
||||||
|
center = true,
|
||||||
|
font = font,
|
||||||
|
size = size,
|
||||||
|
rotate = undef,
|
||||||
|
spacing = spacing,
|
||||||
|
direction = undef, //We don't pass direction ( misaligns inside text() ). TODO: Investigate why
|
||||||
|
language = language,
|
||||||
|
script = script,
|
||||||
|
halign = halign,
|
||||||
|
valign = valign,
|
||||||
|
extrusion_height = extrusion_height,
|
||||||
|
buffer_width = buffer_width);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//Only expected to be called from another function. No defaults as expected to be done in parent.
|
||||||
|
//NOTE: This is hacked. Requires more mathematics than I feel like to do properly today....
|
||||||
|
//TODO: Refactor the two operations - side of normal and slanty
|
||||||
|
//No default checks in this funciton -- done in parent
|
||||||
|
module __internal_text_on_cylinder_side(t = default_t,
|
||||||
|
//Object-specific
|
||||||
|
locn_vec = [0, 0, 0],
|
||||||
|
r,
|
||||||
|
r1,
|
||||||
|
r2,
|
||||||
|
h,
|
||||||
|
cylinder_center,
|
||||||
|
|
||||||
|
//All objects
|
||||||
|
extrusion_height = default_extrusion_height,
|
||||||
|
center = undef,
|
||||||
|
rotate = default_rotate,
|
||||||
|
|
||||||
|
//All objects -- arguments as for text()
|
||||||
|
font = undef,
|
||||||
|
size = default_size,
|
||||||
|
direction = undef,
|
||||||
|
halign = undef, //Overridden
|
||||||
|
valign = undef,
|
||||||
|
language = undef,
|
||||||
|
script = undef,
|
||||||
|
spacing = default_spacing,
|
||||||
|
buffer_width = default_buffer_width) {
|
||||||
|
// echo (str("__internal_text_on_cylinder_side:There are " ,len(t) ," letters in t" , t));
|
||||||
|
// echo (str("__internal_text_on_cylinder_side:","h=" , h));
|
||||||
|
// echo (str("__internal_text_on_cylinder_side:","r=" , r));
|
||||||
|
// echo (str("__internal_text_on_cylinder_side:","r1=" , r1));
|
||||||
|
// echo (str("__internal_text_on_cylinder_side:","r2=" , r2));
|
||||||
|
// echo (str("__internal_text_on_cylinder_side:","direction=" , direction));
|
||||||
|
|
||||||
|
if((halign != undef) || (halign != undef)) {
|
||||||
|
echo(str("text_on_cylinder:","WARNING " , "halign and valign are NOT supported."));
|
||||||
|
}
|
||||||
|
|
||||||
|
wid = width_of_text_char( size, spacing ); //TODO: refactor this out?
|
||||||
|
|
||||||
|
function calc_radius_at_height_offset(r1, r2, h_total, h_offset) = r1 + ((r2 - r1) * (h_total - h_offset) / h_total);
|
||||||
|
|
||||||
|
//Has to factor in up/downedness
|
||||||
|
//Starts at middle height then height displacement is reduced under rotation and by the slope of the uneven radii
|
||||||
|
function calc_height_offset_at_length(r1, r2, h, length, rotate, updown) = h / 2 - updown + length * rotate / 90 * cos(atan((r2 - r1) / h));
|
||||||
|
|
||||||
|
function calc_radius_at_length(r1, r2, h, length, rotate, updown) = calc_radius_at_height_offset(r1, r2, h, calc_height_offset_at_length(r1, r2, h, length, rotate, updown));
|
||||||
|
|
||||||
|
if(r == undef) {
|
||||||
|
//Slanty-cylinder (truncated cone) warnings
|
||||||
|
if((direction == "btt") || (direction == "ttb")) {
|
||||||
|
//TODO: After the issues are resolved refactoring should give this pretty easily
|
||||||
|
echo(str("text_on_cylinder:","WARNING" , " - Slanty-cylinders definitely don't directions TTB or BTT on sides yet. Setting direction to ltr."));
|
||||||
|
}
|
||||||
|
if(center == true) {
|
||||||
|
echo(str("text_on_cylinder:","WARNING" , " - Slanty-cylinders don't support centering yet. Setting center to false. You can adjust updown and eastwest and achieve most of what you are after...."));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
r1 = (r1 != undef) ? r1 : r;
|
||||||
|
r2 = (r2 != undef) ? r2 : r;
|
||||||
|
//NOTE: r is not used after here. We operate on generalised slanty cone (r1 and r2)
|
||||||
|
|
||||||
|
//TODO: Look at changing this to extrusion_height_center
|
||||||
|
//and renaming the other as text_center
|
||||||
|
rr1 = (center) ? r1 - extrusion_height / 2 : r1;
|
||||||
|
rr2 = (center) ? r2 - extrusion_height / 2 : r2;
|
||||||
|
|
||||||
|
ccenter = (r != undef) ? center : false; //We don't do (text) centering for the slanty cones/helical paths (yet? ever?). Needs to do quite a few offset calcs.
|
||||||
|
ddirection = ((r == undef) && ((direction == "ttb") || (direction == "btt"))) ? "ltr" : direction; //We don't do ttb or btt directions on slanty
|
||||||
|
rtl_sign = (ddirection == "rtl") ? -1 : 1;
|
||||||
|
|
||||||
|
//This code takes care of slanty cylinders and "normal" cylinders
|
||||||
|
translate([0, 0, updown])
|
||||||
|
rotate(eastwest, [0, 0, 1])
|
||||||
|
for(l = [0 : len(t) - 1]) {
|
||||||
|
//TODO: TTB and BTT need to have a different concept of path/length than this for RTL/LTR
|
||||||
|
//width_of_... is half a char too long -- add 0.5 (counting from zero)
|
||||||
|
length_to_center_of_char = width_of_text_string_num_length(l + 0.5, size, spacing);
|
||||||
|
radius_here = calc_radius_at_length(rr1, rr2, h, length_to_center_of_char, rotate, updown);
|
||||||
|
//Rotating into position and tangentially to surface -- Don't rotate per character for ttb/btt
|
||||||
|
//-90 is to get centering at origin
|
||||||
|
rotate_z_inner = -90 + rtl_sign * rotation_for_character(size, spacing, radius_here, rotate) * ((ddirection == "ttb" || ddirection== "btt") ? 0 : l);
|
||||||
|
rotate(rotate_z_inner, [0, 0, 1]) {
|
||||||
|
//Positioning - based on (somewhat innacurate) string length
|
||||||
|
//Offset per character to go up/down the side in ttb/btt -- TTB down, BTT up
|
||||||
|
vert_z_char_offset = (ddirection == "ttb" || ddirection == "btt") ? (l * size * ((ddirection == "ttb") ? -1 : 1 )) : 0 ;
|
||||||
|
//Only if RTL/LTR and if center -- center the text (starts off in a more visually appealing location)
|
||||||
|
vert_z_half_text_offset_tmp = (len(t) -1) / 2 * (rotate / 90 * wid);
|
||||||
|
vert_z_half_text_offset = ((ddirection == "ttb" || ddirection == "btt") || (ccenter == false)) ? 0 : vert_z_half_text_offset_tmp;
|
||||||
|
translate([ radius_here , 0, vert_z_char_offset - l * (rotate / 90 * wid) + vert_z_half_text_offset])
|
||||||
|
|
||||||
|
//Flip to tangent on the sloping side (without respecting rotation impact on the tangent -- rotate seems a little off. TODO: Investigate).
|
||||||
|
rotate(atan((rr2 - rr1) /h), [0, 1, 0])
|
||||||
|
//Flip onto face of "normal" cylinder
|
||||||
|
rotate(90, [1, 0, 0])
|
||||||
|
rotate(90, [0, 1, 0])
|
||||||
|
|
||||||
|
//Modify the offset of the baselined text to center
|
||||||
|
translate([0, (ccenter) ? -size / 2 : 0, 0])
|
||||||
|
|
||||||
|
text_extrude(t[l],
|
||||||
|
center = false,
|
||||||
|
rotate = rotate,
|
||||||
|
font = font,
|
||||||
|
size = size,
|
||||||
|
spacing = spacing,
|
||||||
|
direction = undef, //We don't pass direction ( misaligns inside text() ). TODO: Investigate why
|
||||||
|
language = language,
|
||||||
|
script = script,
|
||||||
|
halign = "center", //This can be relaxed eventually
|
||||||
|
valign = "baseline", //Need this to keep all letters on the same line (could also support top -- otherw will make
|
||||||
|
extrusion_height = extrusion_height,
|
||||||
|
buffer_width = buffer_width);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//sphere(r)
|
||||||
|
//NB: Iterates through characters/glyphs and presents them individually (but supports actions across the entire string still)
|
||||||
|
//supports all features of text() except: halign and valign
|
||||||
|
module text_on_sphere(t = default_t,
|
||||||
|
//Object-specific
|
||||||
|
locn_vec = [0,0,0],
|
||||||
|
r,
|
||||||
|
eastwest = default_sphere_eastwest,
|
||||||
|
northsouth = default_sphere_northsouth,
|
||||||
|
rotate = default_rotate,
|
||||||
|
spin = default_sphere_spin,
|
||||||
|
rounded = default_sphere_rounded,
|
||||||
|
//All objects
|
||||||
|
extrusion_height = default_extrusion_height,
|
||||||
|
center = default_center, //center = false doesn't really even make sense to do (IMHO)
|
||||||
|
scale = default_scale,
|
||||||
|
//All objects -- arguments as for text()
|
||||||
|
font = undef,
|
||||||
|
size = default_size,
|
||||||
|
direction = undef,
|
||||||
|
halign = undef, //Not supported - only here to enable a warning
|
||||||
|
valign = undef, //Not supported - only here to enable a warning
|
||||||
|
language = undef,
|
||||||
|
script = undef,
|
||||||
|
spacing = default_spacing) {
|
||||||
|
//echo ("text_on_sphere:There are " ,len(t) ," letters in t" , t);
|
||||||
|
|
||||||
|
if((halign != undef) || (halign != undef)) {
|
||||||
|
echo(str("text_on_sphere:","WARNING " , "halign and valign are NOT supported (functionality used in centering)."));
|
||||||
|
}
|
||||||
|
|
||||||
|
//TODO: refactor this?
|
||||||
|
rtl_sign = (direction == "rtl") ? -1 : 1;
|
||||||
|
|
||||||
|
//TODO: Look at changing this to extrusion_height_center
|
||||||
|
//and renaming the other as text_center
|
||||||
|
//If we are centered - we sink the radius by half the
|
||||||
|
//extrusion height to draw "just below the surface"
|
||||||
|
rr = (center) ? r - extrusion_height / 2 : r ;
|
||||||
|
|
||||||
|
rotate(eastwest, [0, 0, 1])
|
||||||
|
rotate(-northsouth, [1, 0, 0])
|
||||||
|
rotate(spin, [0, 1, 0]) {
|
||||||
|
//This tries to center the text (for RTL text).
|
||||||
|
ttb_btt_inaction = (direction == "ttb" || direction == "btt") ? 0 : 1;
|
||||||
|
rotate(-rtl_sign * ttb_btt_inaction * rotation_for_center_text_string(t, size, spacing, rr, rotate, center), [0, 0, 1]) {
|
||||||
|
translate(locn_vec)
|
||||||
|
if (rounded == false) {
|
||||||
|
__internal_text_on_sphere_helper(t = t,
|
||||||
|
r = rr,
|
||||||
|
rotate = rotate,
|
||||||
|
center = center,
|
||||||
|
scale = scale,
|
||||||
|
font = font,
|
||||||
|
size = size,
|
||||||
|
spacing = spacing,
|
||||||
|
direction = direction,
|
||||||
|
language = language,
|
||||||
|
script = script,
|
||||||
|
halign = halign,
|
||||||
|
valign = valign,
|
||||||
|
extrusion_height = extrusion_height);
|
||||||
|
} else {
|
||||||
|
//If rounding then clip the text inside an inner sphere and outer sphere
|
||||||
|
intersection() {
|
||||||
|
__internal_text_on_sphere_helper(t = t,
|
||||||
|
r = rr,
|
||||||
|
rotate = rotate,
|
||||||
|
center = center,
|
||||||
|
scale = scale,
|
||||||
|
font = font,
|
||||||
|
size = size,
|
||||||
|
spacing = spacing,
|
||||||
|
direction = direction,
|
||||||
|
language = language,
|
||||||
|
script = script,
|
||||||
|
halign = halign,
|
||||||
|
valign = valign,
|
||||||
|
extrusion_height = extrusion_height * 2); //Make it proud to clip it off.
|
||||||
|
//Shell - bounding inner and outer
|
||||||
|
difference() { //rounded outside
|
||||||
|
sphere(rr + extrusion_height);
|
||||||
|
// rounded inside for indented text
|
||||||
|
sphere( rr );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//internal function -- don't call directly
|
||||||
|
//No default checks in this funciton -- done in parent
|
||||||
|
module __internal_text_on_sphere_helper(t = default_t,
|
||||||
|
//Object-specific
|
||||||
|
r,
|
||||||
|
//All objects
|
||||||
|
extrusion_height = default_extrusion_height,
|
||||||
|
center = default_center,
|
||||||
|
scale = default_scale,
|
||||||
|
//All objects -- arguments as for text()
|
||||||
|
font = undef,
|
||||||
|
size = default_size,
|
||||||
|
direction = undef,
|
||||||
|
//halign = undef,
|
||||||
|
//valign = undef,
|
||||||
|
language = undef,
|
||||||
|
script = undef,
|
||||||
|
spacing = default_spacing,
|
||||||
|
buffer_width = default_buffer_width) {
|
||||||
|
rtl_sign = (direction == "rtl") ? -1 : 1;
|
||||||
|
ttb_btt_inaction = (direction == "ttb" || direction == "btt") ? 0 : 1;
|
||||||
|
ttb_btt_action = (direction == "ttb" || direction == "btt") ? 1 : 0;
|
||||||
|
|
||||||
|
for(l = [0 : len(t) - 1]) {
|
||||||
|
rotate_z_inner = -90 + rtl_sign * ttb_btt_inaction * l * rotation_for_character(size, spacing, r, 0);
|
||||||
|
translate_sign = (direction == "ttb" || direction == "btt") ? ((direction == "btt") ? 1 : -1) : 0 ;
|
||||||
|
//translate_effect = (direction=="ttb" || direction=="btt") ? 1 : 0 ;
|
||||||
|
//Translate letter to be located on the sphere in up/down direction when we are doing TTB and BTT
|
||||||
|
rotate(rotate_z_inner, [0, 0, 1])
|
||||||
|
translate(r * [cos(0 + ttb_btt_action * rotation_for_character(size, spacing, r, rotate) * l), 0, translate_sign * ttb_btt_action * sin(0 + rotation_for_character(size, spacing, r, rotate) * l)])
|
||||||
|
//Rotate letter to be tangential to the new part of the sphere when we are doing TTB and BTT
|
||||||
|
rotate(-90 * translate_sign * (0 + ttb_btt_action * rotation_for_character(size, spacing, r, rotate) * l) / 90 , [0, 1, 0])
|
||||||
|
//Flip character into position to be flush against sphere
|
||||||
|
rotate(90, [1, 0, 0])
|
||||||
|
rotate(90, [0, 1, 0])
|
||||||
|
|
||||||
|
//Modify the offset of the baselined text to center
|
||||||
|
translate([0, (center) ? -size / 2 : 0 , 0])
|
||||||
|
text_extrude(t[l],
|
||||||
|
center = false,
|
||||||
|
rotate = rotate,
|
||||||
|
scale = scale,
|
||||||
|
font = font,
|
||||||
|
size = size,
|
||||||
|
spacing = spacing,
|
||||||
|
direction = undef, //We don't pass direction ( misaligns inside text() ). TODO: Investigate why
|
||||||
|
language = language,
|
||||||
|
script = script,
|
||||||
|
halign = "center", //This can be relaxed eventually
|
||||||
|
valign = "baseline", //Need this to keep all letters on the same line (could also support top -- otherw will make wonky letters)
|
||||||
|
extrusion_height = extrusion_height,
|
||||||
|
buffer_width = buffer_width);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
//cube(size)
|
||||||
|
//cube([width,h,depth])
|
||||||
|
//NB: cube_size is used instead of size (the name size is used in the text module)
|
||||||
|
//NB: Passes through text as strings -- supports all features of text()
|
||||||
|
module text_on_cube( t = default_t,
|
||||||
|
//Object-specific
|
||||||
|
cube_size, //number or 3-vector
|
||||||
|
face = default_cube_face,
|
||||||
|
rightleft = default_cube_rightleft,
|
||||||
|
updown = default_cube_updown,
|
||||||
|
//All objects
|
||||||
|
locn_vec = [0, 0, 0],
|
||||||
|
extrusion_height = default_extrusion_height,
|
||||||
|
center = undef,
|
||||||
|
rotate = default_rotate,
|
||||||
|
scale = default_scale,
|
||||||
|
//All objects -- arguments as for text()
|
||||||
|
font = undef,
|
||||||
|
size = default_size,
|
||||||
|
direction = undef,
|
||||||
|
halign = undef,
|
||||||
|
valign = undef,
|
||||||
|
language = undef,
|
||||||
|
script = undef,
|
||||||
|
spacing = default_spacing,
|
||||||
|
buffer_width = default_buffer_width) {
|
||||||
|
//echo (str("text_on_cube:","There are " ,len(t) ," letters in t" , t));
|
||||||
|
//echo (str("text_on_cube:","cube_size" , cube_size));
|
||||||
|
|
||||||
|
if((halign != undef) || (halign != undef)) {
|
||||||
|
echo(str("text_on_cube:","WARNING " , "halign and valign are NOT supported."));
|
||||||
|
}
|
||||||
|
|
||||||
|
int_cube_size = (str(cube_size)[0] != "[") ? [cube_size, cube_size, cube_size] : cube_size;
|
||||||
|
rotate_x = ((face == "front") || (face == "back") || (face == "left") || (face == "right")) ? 90 : ((face == "bottom") ? 180 : 0); // Top is zero
|
||||||
|
rotate_y = ((face == "back") || (face == "left") || (face == "right")) ? (face == "back") ? 180 : ((face == "left") ? -90 : 90) : 0 ; // Right is 90, Top, bottom, front are zero
|
||||||
|
locn_vec_offset =
|
||||||
|
(face == "front") ? [+rightleft, -int_cube_size[1] / 2, +updown]
|
||||||
|
: ((face == "back") ? [+rightleft, +int_cube_size[1] / 2, +updown]
|
||||||
|
: ((face== "left") ? [-int_cube_size[0] / 2, +rightleft, +updown]
|
||||||
|
: ((face == "right") ? [+int_cube_size[0] / 2, +rightleft, +updown]
|
||||||
|
: ((face == "top") ? [+rightleft, +updown, +int_cube_size[2] / 2]
|
||||||
|
: [+rightleft, -updown, -int_cube_size[2] / 2]
|
||||||
|
)))); // bottom
|
||||||
|
|
||||||
|
translate(locn_vec + locn_vec_offset)
|
||||||
|
rotate(rotate_x, [1, 0, 0])
|
||||||
|
rotate(rotate_y, [0, 1, 0]) // rotate around the y axis (z before rotation)
|
||||||
|
text_extrude(t,
|
||||||
|
center = center,
|
||||||
|
rotate = rotate,
|
||||||
|
scale = scale,
|
||||||
|
font = font,
|
||||||
|
size = size,
|
||||||
|
spacing = spacing,
|
||||||
|
direction = direction, // Does this misalign inside text()? the individual character modules do.
|
||||||
|
language = language,
|
||||||
|
script = script,
|
||||||
|
halign = halign,
|
||||||
|
valign = valign,
|
||||||
|
extrusion_height = extrusion_height,
|
||||||
|
buffer_width = buffer_width );
|
||||||
|
}
|
||||||
|
|
||||||
|
function default_if_undef(val, default_val) = (val != undef) ? val : default_val;
|
||||||
|
|
||||||
|
// Print a single character or a string at the desired extrusion height
|
||||||
|
// Passes on values to text() that are passed in
|
||||||
|
// TODO: Add x,y,z rotations get text facing the right way from the start)
|
||||||
|
module text_extrude( t = default_t,
|
||||||
|
extrusion_height = default_extrusion_height,
|
||||||
|
center = default_center, // Fudgy. YMMV. // TODO:center_extrusion, or extrusion offset??
|
||||||
|
rotate = default_rotate,
|
||||||
|
scale = default_scale, // For scaling by different on axes (for widening etc)
|
||||||
|
// Following are test() params (in addition to t=)
|
||||||
|
font = default_font,
|
||||||
|
size = default_size,
|
||||||
|
direction = undef,
|
||||||
|
halign = undef,
|
||||||
|
valign = undef,
|
||||||
|
language = undef,
|
||||||
|
script = undef,
|
||||||
|
spacing = default_spacing,
|
||||||
|
buffer_width = default_buffer_width) {
|
||||||
|
//echo (str("text_extrude:","There are " ,len(t) ," letters in text" , t));
|
||||||
|
//echo (str("text_extrude:","extrusion_height=" , extrusion_height));
|
||||||
|
|
||||||
|
if(center == true) {
|
||||||
|
if((halign != undef) || (valign != undef)) {
|
||||||
|
echo(str("text_extrude:","WARNING " , "When center is true, then halign and valign are NOT supported."));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// As arguments are explicitly set as undef (from higher functions) as they come down (they don't get defaults in this function as they are set as something)
|
||||||
|
// we need to check and replace any that we don't want to be undef
|
||||||
|
t = default_if_undef(t, default_t);
|
||||||
|
font = default_if_undef(font, default_font);
|
||||||
|
extrusion_height = default_if_undef(extrusion_height, default_extrusion_height);
|
||||||
|
center = default_if_undef(center, default_center);
|
||||||
|
rotate = default_if_undef(rotate, default_rotate);
|
||||||
|
spacing = default_if_undef(spacing, default_spacing);
|
||||||
|
size = default_if_undef(size, default_size);
|
||||||
|
|
||||||
|
halign = (center) ? "center" : halign ;
|
||||||
|
valign = (center) ? "center" : valign ;
|
||||||
|
extrusion_center = (center) ? true : false ;
|
||||||
|
|
||||||
|
scale(scale)
|
||||||
|
rotate(rotate, [0, 0, -1]) //TODO: Do we want to make this so that the entire vector can be set?
|
||||||
|
linear_extrude(height = extrusion_height, convexity = 10, center = extrusion_center)
|
||||||
|
offset(delta = buffer_width)
|
||||||
|
text(text = t,
|
||||||
|
size = size,
|
||||||
|
$fn = 40,
|
||||||
|
font = font,
|
||||||
|
direction = direction,
|
||||||
|
spacing = spacing,
|
||||||
|
halign = halign,
|
||||||
|
valign = valign,
|
||||||
|
language = language,
|
||||||
|
script = script);
|
||||||
|
}
|
||||||
|
|
||||||
Loading…
Reference in a new issue