x_size = 75;
y_size = 40;
z_size = 13;
pcb_x = 70;
pcb_y = 35;
wall_size = 1;
hole_rad = 2;
screen_x = 30;
screen_y = 12;

union()
{
	difference()
	{
		// Main
		cube([x_size, y_size, z_size], center = true);

		// Hollow
		translate([0, 0, wall_size])
		{
			cube([x_size - 2 * wall_size, y_size - 2 * wall_size, z_size], center = true);
		}

		// Display Cutout
		translate([pcb_x/2 - screen_x/2 + 1 - 5, pcb_y/2 - screen_y/2 - 1, 0])
		{
			cube([screen_x, screen_y, z_size + 1], center = true);
		}

		// Button Cutout
		translate([-16 + 1, -12.5 - 1, 0])
		{
			cube([8, 8, z_size + 1], center = true);
		}

		// Switch Cutout
		translate([0 + 1, -y_size/2 + wall_size/2, z_size/2 - 6/2])
		{
			cube([5, wall_size * 2, 6], center = true);
		}
	}

	// Bottom Hole Mounts
	for (i = [-1:2:1])
	{
		translate([i * (pcb_x/2 - 3) + 1, -(pcb_y/2 - 3) - 1, 0])
		{
			difference()
			{
				cylinder(z_size, hole_rad + 1, hole_rad + 1, $fn = 360, center = true);
				translate([0, 0, wall_size])
				{
					cylinder(z_size, hole_rad, hole_rad, $fn = 360, center = true);
				}
			}
		}
	}

	// Top Hole Mount
	translate([-((41 - pcb_x/2)) + 1, pcb_y/2 - 3 - 1, 0])
		difference()
		{
			cylinder(z_size, hole_rad + 1, hole_rad + 1, $fn = 360, center = true);
			translate([0, 0, wall_size])
			{
				cylinder(z_size, hole_rad, hole_rad, $fn = 360, center = true);
			}
		}
}