36 lines
758 B
OpenSCAD
36 lines
758 B
OpenSCAD
// Link with ends for ball inserts
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// (c) Vitaliy Filippov 2014, license: CC-BY-SA 3.0
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$fn=40;
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length=64; // 8U spacing between balls, like LEGO Black Link 9 (32293)
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//length=16;
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difference() {
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union() {
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ball_end_p();
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translate([-3, 0, 0]) cube(size=[6, length, 2.5]);
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translate([0, length, 0]) ball_end_p();
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}
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ball_end_n();
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translate([0, length, 0]) ball_end_n();
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}
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module ball_end() {
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difference() {
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ball_end_p();
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ball_end_n();
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}
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}
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module ball_end_p() {
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union() {
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translate([0, 0, 1.7+3.2+1-4]) difference() { sphere(r=4); translate([-5, -5, -6]) cube(size=[10,10,5]); }
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cylinder(r=4, h=2);
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}
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}
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module ball_end_n() {
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translate([0, 0, 1.7]) sphere(r=3.2);
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translate([0, 0, -0.1]) cylinder(r=2.9, h=2);
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}
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