angular_conector

angular_connector.scad

// Connecting two poles of different radius at 90 degrees angle
// They are joined by a screw but keep moving, hoping this will
// fix it

A = 30;
B = 80;

// The poles radii. r2 must be the bigger one (only slightly bigger!)
r1 = 10.5;
r2 = 12;
// The width of the cylinder and plate. We can actually thicken the
// plate alone if necassary.
h = 3;

$fa=1;
$fs = 0.01;

module pipe() {
    translate([A,0,0]) rotate([0,90,0]) cylinder((B-A), r2+h, r2+h);
     translate([A,-r2-h,-r2-h]) cube([B-A, 2*(r2+h), r2+h]);
}


difference(){
    union(){
        pipe();
        rotate([0,0,90]) pipe();
        polyhedron([[A,0,-r2-h],[B,0,-r2-h],[0,B,-r2-h],[0,A,-r2-h],[A,0,-r2],[B,0,-r2],[0,B,-r2],[0,A,-r2]],
        [
        [0,1,2,3],
        [7,6,5,4],
        [0,4,5,1],
        [0,3,7,4],
        [2,6,7,3],
        [1,5,6,2]]);
    }

    // Drill holes for the poles.
    rotate([0,90,0]) cylinder((B+A), r1, r1);
    rotate([-90,0,0]) cylinder((B+A), r2, r2);
}

angular_connector.stl