eps = 0.01;
infty = 200;

thin_wall = 0.6;
wall = 1.5;

body_d = 60;
body_h = 80;


front_hex_r = body_d/8;
rear_hex_r = body_d/5;
rear_hex_xoff = -5;

module hex_wall() {

difference() {
	cube([body_h, body_d, 2]);
	for (y = [0:12])
	for (x = [0:7]) {
		translate([(2+2*sin(30))*y*front_hex_r, front_hex_r*sin(60)*(1+2*x), -eps])
			cylinder(r1 = front_hex_r-2, r2 = front_hex_r, 2+2*eps, $fn = 6);
		translate([(2+2*sin(30))*y*front_hex_r+(1+sin(30))*front_hex_r, front_hex_r*sin(60)*(2*x), -eps])
			cylinder(r1 = front_hex_r-2, r2 = front_hex_r, 2+2*eps, $fn = 6);
	}
}

/*/
scale([1, 1, -1])
difference() {
	cube([80, 60, 2]);
	translate([rear_hex_xoff, 0, 0])
	for (y = [0:12])
	for (x = [0:7]) {
		translate([(2+2*sin(30))*y*rear_hex_r, rear_hex_r*sin(60)*(1+2*x), -eps])
			cylinder(r1 = rear_hex_r-2, r2 = rear_hex_r, 2+2*eps, $fn = 6);
		translate([(2+2*sin(30))*y*rear_hex_r+(1+sin(30))*rear_hex_r, rear_hex_r*sin(60)*(2*x), -eps])
			cylinder(r1 = rear_hex_r-2, r2 = rear_hex_r, 2+2*eps, $fn = 6);
	}
}
*/
}


rotate([0, -90, 0]) hex_wall();
translate([body_d, body_d, 0]) scale([-1, -1, 1]) rotate([0, -90, 0]) hex_wall();
rotate([0, -90, -90]) scale([1, 1, -1]) hex_wall();
translate([body_d, body_d, 0]) rotate([0, -90, -90]) scale([1, -1, 1]) hex_wall();

cube([body_d, body_d, 2]);

module corner() {
	translate([-2, -2, 0]) cube([4, 4, body_h]);
}

corner();
translate([body_d, 0, 0]) corner();
translate([0, body_d, 0]) corner();
translate([body_d, body_d, 0]) corner();

module upper() {
	intersection() {
		rotate([0, 90, 0])
			cylinder(r = 2, h = body_d, $fn = 4);
		translate([-eps, -2, -2-eps]) cube([body_d, 4, 2+eps]);
	}
}
translate([0, 0, body_h]) upper();
translate([0, body_d, body_h]) upper();
translate([0, body_d, body_h]) rotate([0, 0, -90]) upper();
translate([body_d, body_d, body_h]) rotate([0, 0, -90]) upper();

scale([1, 1, -1]) {
translate([0, 0, 0]) upper();
translate([0, body_d, 0]) upper();
translate([0, body_d, 0]) rotate([0, 0, -90]) upper();
translate([body_d, body_d, 0]) rotate([0, 0, -90]) upper();
}

module mid_wall() {
	translate([-thin_wall/2, 0, 0]) cube([thin_wall, body_d, body_h]);
}

mid_wall();
rotate([0, 0, -90]) mid_wall();
translate([body_d, 0, 0]) mid_wall();
translate([0, body_d, 0]) rotate([0, 0, -90]) mid_wall();