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49 lines
1.3 KiB
OpenSCAD
49 lines
1.3 KiB
OpenSCAD
6 years ago
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rad = 31;
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dx = rad/2;
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hole_sz=6.5;
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shaft_sz=15;
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full_h = 4;
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module screw_hole(x,y) {
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translate([x,y,0]){
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linear_extrude(height = full_h+5, center = true, convexity = 10, twist = 0, slices = 20, scale = 1.0) {
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circle(d=hole_sz, $fn=50);
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}
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}
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}
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module ring(inner, outer, height) {
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difference() {
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cylinder(h=height, r=outer, center=true, $fn=50);
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cylinder(h=height+1, r=inner, center=true, $fn=50);
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}
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}
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union() {
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difference() {
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hull() {
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// cube([42.3,42.3,full_h], center=true);
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translate([17,17,0]) cylinder(r=6,h=full_h,center=true);
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translate([-17,17,0]) cylinder(r=6,h=full_h,center=true);
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translate([-17,-17,0]) cylinder(r=6,h=full_h,center=true);
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translate([17,-17,0]) cylinder(r=6,h=full_h,center=true);
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}
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translate([0,0,-1]){
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screw_hole(dx,dx);
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screw_hole(dx, -dx);
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screw_hole(-dx,dx);
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screw_hole(-dx,-dx);
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linear_extrude(height = full_h+4, center = true, convexity = 10, twist = 0, slices = 20, scale = 1.0) {
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circle(d=shaft_sz, $fn=50);
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};
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}
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}
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translate([0,0,full_h/2]) {
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ring(15/2,20/2,2);
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}
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}
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