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33 lines
1.1 KiB

rad = 31;
dx = rad/2;
hole_sz=3.2;
shaft_sz=7;
full_h = 3;
difference() {
linear_extrude(height = full_h, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {square([42.3,42.3],true);}
translate([0,0,-1]){
translate([dx,dx,0]){
linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=hole_sz, $fn=20);}
}
translate([dx,-dx,0]){
linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=hole_sz, $fn=20);}
}
translate([-dx,dx,0]){
linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=hole_sz, $fn=20);}
}
translate([-dx,-dx,0]){
linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=hole_sz, $fn=20);}
}
linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=shaft_sz, $fn=20);};
}
translate([0,0,full_h-2]){
linear_extrude(height = full_h, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=25, $fn=20);};
}
}