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$fa = 1;
$fs = 0.4;
module bevelled_screw_hole(diameter=3,depth=15,location=[0.0,0.0,0.0],rotation=[0.0,0.0,0.0]) {
R=diameter/2.0;
translate(location) {
rotate(rotation){
union(){
translate([0,0,depth-R]) {
cylinder(h=R,
r1=R,
r2=R*2,
center=false);
}
translate([0,0,depth]) {
cylinder(h=R*2,r=R*2,center=false);
}
cylinder(h=depth-R,r=R,center=false);
}
}
}
}
bevelled_screw_hole(rotation=[0,90,0],location=[0,15,3]);
bevelled_screw_hole(diameter=6,depth=8,rotation=[0,90,0],location=[0,0,5]);
//bevelled_screw_hole(rotation=[0,90,0],location=[0,-15,3]);
module captive_nut_hole(diameter=3,depth=15,location=[0.0,0.0,0.0],rotation=[0.0,0.0,0.0]) {
translate(location) {
rotate(rotation){
cylinder(d=9.0,h=6.0,center=false,$fn=6);
}
}
}
captive_nut_hole(rotation=[0,90,0],location=[0,-15,3]);
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