// Pole mounting bracket for camera
// length units are millimeters

innerScrewToScrew = 45.34;
outerScrewToScrew = 53.25;
rodDiameter = 25.60;
mountHeight = 30.00;

circleResolution=360*4; // faces per rotation

rodRadius = rodDiameter / 2;

screwToScrew = (innerScrewToScrew + outerScrewToScrew) / 2;

screwUnthreadedRadius = (outerScrewToScrew - innerScrewToScrew) / 4;

screwThreadedRadius = screwUnthreadedRadius * 0.80;

difference() {
    translate([0,0,0]) {
        difference() {
            translate([0,0,0]) {
                cylinder(r=rodRadius * 3, h=mountHeight, $fn=circleResolution);
            }
            // remove half of cylinder
            translate([-(rodRadius * 3),-(rodRadius * 4),-0.01]) {
                cube([rodRadius * 8.01, rodRadius * 4.01, mountHeight + 0.02]);
            }
            // remove screw holes
            translate([0,-0.01,(mountHeight / 2) - screwThreadedRadius]) {
                translate([-((screwToScrew / 2)  -screwThreadedRadius),0,0]) {
                    rotate([-90,0,0])
                    #cylinder(r=screwThreadedRadius, h=mountHeight, $fn=circleResolution);
                }
                translate([screwToScrew / 2,0,0]) {
                    rotate([-90,0,0])
                    #cylinder(r=screwThreadedRadius, h=mountHeight, $fn=circleResolution);
                }
            }
        }
    }
    translate([0,0,-0.01]) {
        translate([0, rodRadius, 0])
            cylinder(r=rodRadius * 1.01, h=mountHeight + 0.02, $fn=circleResolution);
        translate([-rodRadius * 1.01, 0, 0])
        cube([rodRadius * 2.01, rodRadius * 1.01, mountHeight + 0.02]);
    }
}