107 lines
3.3 KiB
OpenSCAD
107 lines
3.3 KiB
OpenSCAD
use <torus.scad>
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module spoolmount_twist() {
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difference() {
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union() {
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difference() {
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union() {
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// Core cylinder body
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translate([0, 0, 0.5])
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cylinder(h=4, r=25, $fn=200);
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// Slightly narrower bottom/top body
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cylinder(h=5, r=24.65, $fn=200);
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// Bottom outer rounded edge
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intersection() {
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cylinder(h=0.5, r=25, $fn=200);
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translate([0, 0, 0.5])
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torus(r_major=24.65, r_minor=0.5, xs=0.7, $fn=200);
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}
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// Top outer rounded edge
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intersection() {
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translate([0, 0, 4.5])
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cylinder(h=0.5, r=25, $fn=200);
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translate([0, 0, 4.5])
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torus(r_major=24.65, r_minor=0.5, xs=0.7, $fn=200);
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}
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}
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for (a = [45 : 90 : 335]) {
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// Slide bump entrance cutout
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rotate([0, 0, a - 13])
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rotate_extrude(angle=26, $fn=200)
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translate([23, 0, 0])
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polygon(points=[
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[0, -1],
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[3, -1],
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[3, 2.5],
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[0, 2.5],
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]);
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// Slide cutout
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rotate([0, 0, a - 40])
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rotate_extrude(angle=80, $fn=200)
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translate([23, 0, 0])
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polygon(points=[
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[3, 0.5],
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[2, 0.5],
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[0, 2.5],
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[2, 4.5],
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[3, 4.5],
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]);
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}
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// Inner cutout
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translate([0, 0, -1])
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cylinder(h=7, r=18, $fn=200);
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}
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// Locking bumps
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intersection() {
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translate([0, 0, 0.5])
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cylinder(h=4, r=25, $fn=200);
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for (a = [45 : 90 : 335]) {
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for (o = [-19.15, 19.15]) {
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rotate([0, 0, a + o])
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translate([0, 23.9, 0]) {
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translate([0, 0, 1])
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rotate([45, 0, 0])
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cylinder(h=3.5, d=1.1, center=true, $fn=50);
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translate([0, 0, 4])
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rotate([-45, 0, 0])
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cylinder(h=3.5, d=1.1, center=true, $fn=50);
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}
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}
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}
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}
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}
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// Rounded cutouts
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for (a = [45 : 90 : 335]) {
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for (o = [-40, -20, 20, 40]) {
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rotate([0, 0, a + o])
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translate([0, 30.5, 0])
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scale([0.2, 1.0, 1.0])
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rotate_extrude($fn=200)
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translate([5, 0, 0])
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polygon(points=[
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[0, 0],
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[2.5, 2.5],
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[0, 5],
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]);
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}
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}
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}
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// Inner rounded edge
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translate([0, 0, 2.5])
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torus(r_major=18, r_minor=2.5, xs=0.7, $fn=200);
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}
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spoolmount_twist(); |