// The support the character is inserted in when playing a story.
// Mounted on the shell with two screws.
// To be printed in clear plastic because it receives the light from the RGB led.
// Indents at height 4

module retainer_spring() {
    rotate_extrude(convexity = 10, angle = 120, $fn = 128)
        translate([22, 0, 0])
            square([2, 10]);
}

module character_retainer_ring() {
    $fn = 128;
    screw_hole_diameter = 2;
    difference() {
        // Body
        cylinder(d = 59.5, h = 6);
        cylinder(d = 40.5, h = 20, center = true);
        // 5mm LED hole
        //translate([0, 25, 0]) sphere(d = 5);
        // Screw holes
        translate([25, 0, 0]) cylinder(d = screw_hole_diameter, h = 6, center = true);
        translate([-25, 0, 0]) cylinder(d = screw_hole_diameter, h = 6, center = true);
    
        // Retainer springs
        rotate([0, 0, 30]) retainer_spring();
        rotate([0, 0, 210]) retainer_spring();
    }
    
    // Retainer bumps
    rotate([0, 0, 90]) translate ([20.25, 0, 4]) sphere(d = 2);
    rotate([0, 0, 270]) translate ([20.25, 0, 4]) sphere(d = 2);
    
}

//retainer_spring();
character_retainer_ring();