41 lines
894 B
OpenSCAD
41 lines
894 B
OpenSCAD
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$fn=33;
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M3HoleDiam=3.4;
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height=40;
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thickness=3;
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length=30;
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// cambelt has 6mm width
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innerspace=8;
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render() difference() {
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frame();
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holes();
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}
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module frame() {
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cube([innerspace + 2 * thickness,thickness,height]);
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translate([0, thickness, 0]) cube([thickness, length, height]);
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translate([innerspace + thickness, thickness, 0]) cube([thickness, length, height]);
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}
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module holes(){
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// two inner holes
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translate([innerspace / 2 + thickness, 0, height / 4]) M3Hole();
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translate([innerspace / 2 + thickness, 0, height / 4 * 3]) M3Hole();
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translate([0, length / 4 *3, height / 2]) SideM3Hole();
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translate([innerspace + thickness, length / 4 * 3, height / 2]) SideM3Hole();
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}
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module M3Hole() {
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rotate([0,90,90])cylinder(h=thickness, d=M3HoleDiam);
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}
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module SideM3Hole() {
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rotate([0,90,0])cylinder(h=thickness, d=M3HoleDiam);
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}
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