64 lines
1.5 KiB
OpenSCAD
64 lines
1.5 KiB
OpenSCAD
use <../util/torus.scad>
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module spoolmount() {
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// Ring
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difference() {
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// Cylinder body
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cylinder(h=5, r=42, $fn=200);
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// Central through hole
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cylinder(h=5, r=25.1, $fn=200);
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// Bottom slightly wider cutout
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translate([0, 0, -1])
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cylinder(h=1.5, r=25.45, $fn=200);
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// Top slightly wider cutout
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translate([0, 0, 4.5])
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cylinder(h=1.5, r=25.45, $fn=200);
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}
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for (a = [45 : 90 : 335]) {
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// Locking bumps
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rotate([0, 0, a - 10])
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rotate_extrude(angle=20, $fn=200)
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translate([23.1, 0, 0])
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polygon(points=[
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[2.0, 0],
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[2.0, 0.5],
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[0, 2.5],
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[2.0, 4.5],
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[2.0, 5],
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]);
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// Rounded bump ends
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for (o = [-10, 10]) {
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rotate([0, 0, a + o])
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translate([0, 30.1, 0])
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scale([0.2, 1.0, 1.0])
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rotate_extrude($fn=200)
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translate([5, 0, 0])
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polygon(points=[
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[0, 0.5],
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[2.0, 2.5],
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[0, 4.5],
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]);
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}
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}
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// Rounded outer edge
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translate([0, 0, 2.5]) {
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torus(r_major=42, r_minor=2.5, xs=0.7, $fn=200);
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}
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// Rounded inner edges
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{
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translate([0, 0, 0.5])
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torus(r_major=25.45, r_minor=0.5, xs=0.7, $fn=200);
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translate([0, 0, 4.5])
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torus(r_major=25.45, r_minor=0.5, xs=0.7, $fn=200);
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}
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}
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spoolmount(); |