// Holder for two Fraen FHS-HEB1-LB01-x lenses for Luxeon LEDs.

eps = 0.01;
infty = 100;

wall = 1.5;

screw_zoff = 5.5;
screw_d = 4;
screw_head = 10;
lens_dist = 45;

base_w = 45;
base_l = 30;
base_l2 = 3;
screw_wall = 3;

translate([-base_w/2, -base_l2, 0])
	cube([base_w, base_l/2+base_l2, wall]);
translate([0, base_l/2, 0])
	scale([-base_w/base_l, 1, 1])
		cylinder(r = base_l/2, h = wall, $fn = 128);
hull() { // sides
	translate([-screw_head/2-wall, 0, 0])
		cube([screw_head+2*wall, screw_wall, wall+2]);
	for (x = [-1, 1]) scale([x, 1,1])
		translate([base_w*0.4, 0, 0])
			cube([wall, screw_wall, wall]);
}

difference() {
	hull() {
		translate([-screw_head/2-wall, 0, 0])
			cube([screw_head+2*wall, screw_wall, wall+screw_head/2+screw_zoff]);
		translate([-screw_head/2-wall, base_l-2*wall, 0])
			cube([screw_head+2*wall, wall, wall]);
	}
	translate([-screw_head/2, screw_wall, wall])
		cube([screw_head, infty, screw_head/2+screw_zoff+eps]);
	translate([0, -eps, wall+screw_zoff])
	rotate([-90, 0, 0])
		cylinder(r = screw_d/2, h = screw_wall+2*eps, $fn = 6);
}