41 lines
908 B
OpenSCAD
41 lines
908 B
OpenSCAD
gate_height = 50;
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// ROUND GATES: CIR, OCTR, OCTNR
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module pivot (throw, shaft_r) {
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top_r = gate_height * tan(throw) + shaft_r;
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cylinder(h = gate_height, r1 = shaft_r, r2 = top_r);
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}
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module pivot_square (throw, shaft_r, throw_extend = 0) {
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hull() {
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rotate([0,throw,0])
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pivot(throw_extend, shaft_r);
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rotate([0,-throw,0])
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pivot(throw_extend, shaft_r);
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rotate([0,0,90]) {
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rotate([0,throw,0])
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pivot(throw_extend, shaft_r);
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rotate([0,-throw,0])
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pivot(throw_extend, shaft_r);
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}
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};
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}
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module cir_gate (throw, shaft_r) {
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pivot(throw, shaft_r);
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}
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module octr_gate (throw, shaft_r) {
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union(){
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rotate([0,0,45])
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pivot_square(throw, shaft_r);
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pivot_square(throw, shaft_r);
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}
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};
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module octnr_gate (throw, shaft_r) {
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union(){
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rotate([0,0,45])
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pivot_square(throw + 1, shaft_r, 1);
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pivot_square(throw, shaft_r);
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}
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};
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