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module reflect(axises) {
children();
mirror(axises) children();
}
socket_thickness = 10;
rod_diameter = 17;
screw_diameter = 6;
screw_head_diameter = 12;
screw_countersink = 6.5;
$fn = 40;
difference() {
// base
scale([4/3, 3/4, 1])
cylinder(r=rod_diameter, h=socket_thickness);
// rod socket
translate([0, rod_diameter/4, 0]) {
cylinder(d=rod_diameter, h=socket_thickness);
translate([-rod_diameter/2, 0, 0])
cube([rod_diameter, rod_diameter, socket_thickness]);
}
// screw holes
reflect([1, 0, 0])
translate([rod_diameter*7/8, 0, 0]) {
cylinder(d=screw_diameter, h=socket_thickness);
translate([0, 0, socket_thickness-screw_countersink])
cylinder(d1=screw_diameter, d2=screw_head_diameter, h=screw_countersink);
}
}
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