// $Id$

$fn = 150;

difference() {
    union() {
        // Bottom plates
        cube([35, 75, 4.5]);
        cube([65, 75, 1.5]);

        // Screw hole pins
        translate([6.5, 8.5, 4.5]) {
            cylinder(r=0.9, h=2);
            cylinder(r=1.5, h=0.5);
        }
        translate([29, 8.5, 4.5]) {
            cylinder(r=0.9, h=2);
            cylinder(r=1.5, h=0.5);
        }
        translate([6.5, 67, 4.5]) {
            cylinder(r=0.9, h=2);
            cylinder(r=1.5, h=0.5);
        }
        translate([29, 67, 4.5]) {
            cylinder(r=0.9, h=2);
            cylinder(r=1.5, h=0.5);
        }

        // Separator walls
        translate([36, 0, 0])
            cube([1, 35, 18]);
        translate([36, 22, 0])
            cube([29, 1, 18]);
        translate([36, 35, 0])
            cube([29, 1, 18]);
        translate([55, 0, 0])
            cube([1, 22, 18]);
        translate([45, 0, 0])
            cube([1, 22, 18]);

        // Outer walls
        cube([65, 1, 20]);
        cube([1, 75, 20]);

        translate([64, 0, 0])
            cube([1, 75, 20]);
        translate([0, 74, 0])
            cube([65, 1, 20]);
    }

    // USB port / power cable
    translate([64, 60, 4.5])
        cube([1, 14, 9]);
    translate([64, 37, 1.5])
        cube([1, 21, 12]);

    // Ventilation
    for (i = [1:1:11]) {
        translate([40, 2.8 * i, 0])
            cube([22, 1.5, 1.5]);
        translate([36 + 2.8 * i, 0, 1.5])
            cube([1.5, 1.5, 15]);
        translate([64, 2.8 * i, 1.5])
            cube([1.5, 1.5, 15]);
        translate([2.7 * i, 12, 0])
            cube([1.5, 52, 4.5]);
        translate([2.7 * i, 0, 5])
            cube([1.5, 1.5, 12]);
        translate([2.7 * i, 73.5, 5])
            cube([1.5, 1.5, 12]);

        translate([36 + 2.4 * i, 40, 0])
            cube([1.3, 32, 1.5]);
        translate([36 + 2.4 * i, 73.5, 5])
            cube([1.3, 1.5, 12]);
    }
    
    for (i = [1:1:25]) {
        translate([0, 2.8*i, 5])
            cube([1.5, 1.5, 12]);
    }
    
    // Wiring gaps
    translate([50, 20, 18])
        rotate([270, 0, 0])
            cylinder(h=20, r=3.5);
    translate([60, 20, 18])
        rotate([270, 0, 0])
            cylinder(h=20, r=3.5);
}