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60 lines
1.4 KiB
OpenSCAD
60 lines
1.4 KiB
OpenSCAD
/*
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Parametric letters for for a necklace
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Elmo Mäntynen <elmo.mantynen@iki.fi>
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LGPL 2.1
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*/
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use <bitmap.scad>
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// change chars array and char_count
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// OpenSCAD has no string or length methods :(
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chars = ["M","a","k","e","r","B","o","t"];
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char_count = 8;
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// block size 1 will result in 8mm per letter
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block_size = 2;
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// height is the Z height of each letter
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height = 3;
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//Hole for the necklace
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hole_diameter = 5;
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module 8bit_str(chars, char_count, block_size, height) {
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echo(str("Total Width: ", block_size * 8 * char_count, "mm"));
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union() {
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for (count = [0:char_count-1]) {
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translate(v = [0, count * block_size * 8, 0]) {
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8bit_char(chars[count], block_size, height);
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}
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}
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}
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}
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module letter(char, block_size, height, hole_diameter) {
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union() {
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translate(v = [0,0, hole_diameter*1.3]) {
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8bit_char(char, block_size, height);
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}
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translate(v = [0,0,(hole_diameter*1.3)/2]) {
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color([0,0,1,1]) {
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difference() {
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cube(size = [block_size * 8, block_size * 8, hole_diameter+2], center = true);
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rotate([90, 0, 0]) cylinder(h = block_size * 8 + 1, r = hole_diameter/2, 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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matrix = [["O", "L", "E", "N", "S"],
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[ "Y", "OE", "N", "Y", "T"]];
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union() {
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for (column = [0:1]) {
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for (row = [0:4]) {
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translate(v=[column*(block_size*1.1)*8, row*(block_size*1.1)*8, 0])
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letter(matrix[column][row], block_size, height, hole_diameter);
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}
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}
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}
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