41 lines
1.2 KiB
OpenSCAD
41 lines
1.2 KiB
OpenSCAD
// Rubber attachment for track element, something like lego 14149
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// (c) Vitaliy Filippov, 2014, license: GPL 3.0+
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$fn=20;
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difference() {
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union() {
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hull() {
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cylinder(r=2.4, h=4);
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translate([0, 16, 0]) cylinder(r=2.4, h=4);
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translate([0, 0, 3]) cylinder(r=4, h=1);
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translate([0, 16, 3]) cylinder(r=4, h=1);
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}
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cylinder(r=2.4, h=9);
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translate([0, 16, 0]) cylinder(r=2.4, h=9);
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translate([0, 0, 8.3]) hull() {
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cylinder(r=2.8, h=1);
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translate([0, 0, -0.6]) cylinder(r=2.4, h=1+0.6*2);
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}
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translate([0, 16, 8.3]) hull() {
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cylinder(r=2.8, h=1);
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translate([0, 0, -0.6]) cylinder(r=2.4, h=1+0.6*2);
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}
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}
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hull() {
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translate([4, 0, 8.5]) scale([8, 1, 1]) rotate([-90, 0, 90]) wedge();
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translate([-4, -0.5, 8.5]) cube(size=[8, 1, 4]);
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}
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hull() {
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translate([4, 16, 8.5]) scale([8, 1, 1]) rotate([-90, 0, 90]) wedge();
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translate([-4, 16-0.5, 8.5]) cube(size=[8, 1, 4]);
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}
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translate([2.4, -4, 7]) cube(size=[2, 8, 4]);
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translate([-2.4-2, -4, 7]) cube(size=[2, 8, 4]);
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translate([2.4, 16-4, 7]) cube(size=[2, 8, 4]);
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translate([-2.4-2, 16-4, 7]) cube(size=[2, 8, 4]);
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}
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module wedge() {
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linear_extrude(height=1) polygon(points=[[-0.5, 0], [0.5, 0], [0, 1]]);
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}
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