// PRUSA iteration4
// cable holder
// GNU GPL v3
// Josef Průša <iam@josefprusa.cz> and contributors
// http://www.reprap.org/wiki/Prusa_Mendel
// http://prusamendel.org


module zip_main()
{
    // ziptie cut for upper cables

    translate([-10, -30.5, 24]) cube([20, 2, 3]);
    translate([-6, -30.5, 24]) cube([2, 20, 3]);
    translate([5, -30.5, 24]) cube([2, 20, 3]);

    difference()
    {
        translate([0.5, -26, 24]) rotate([0, 0, 90]) cylinder(h = 3, r = 6, $fn = 30);
        translate([0.5, -26, 23]) rotate([0, 0, 90]) cylinder(h = 5, r = 4.6, $fn = 30);
        translate([-10, -35.5, 23]) cube([20, 5, 5]);
        translate([-10, -27, 23]) cube([20, 10, 5]);
    }
}


module zip_ext_cables()
{
    // ziptie cut for lower cables
    translate([-10, -25.5, 24]) cube([20, 2, 3]);
    translate([-4.5, -45.5, 24]) cube([2, 20, 3]);
    translate([3.5, -45.5, 24]) cube([2, 20, 3]);
}


module cable_holder()
{
    difference()
    {
        union()
        {
            // base block
            translate([0.5, -26, 24]) rotate([0, 0, 90]) cylinder(h = 39.5, r = 5, $fn = 30);
            translate([-4.5, -26, 24]) cube([10, 9, 39.5]);
            translate([-3, -35, 24]) cube([7, 10, 39.5]);
        }

        // screw
        translate([0.5, -27, 19.5]) rotate([0, 0, 90]) cylinder(h = 42, r = 1.75, $fn = 30);
        translate([0.5, -27, 19.5 + 41]) rotate([0, 0, 90]) cylinder(h = 5, r = 3.15, $fn = 30);

        // upper cables cut
        translate([0.5, -18, 23]) rotate([0, 5, 90]) cylinder(h = 41, r = 5, $fn = 30);
        translate([-10, -20, 23]) rotate([-5, 0, 0]) cube([20, 9, 45]);

        // lower angled cut
        translate([-10, -44, 23]) rotate([-4, 0, 0]) cube([20, 9, 45]);

        // wires
        translate([-0.8, -35, 23]) rotate([0, 4, 90]) cylinder(h = 41, r = 1.25, $fn = 30);
        translate([1.8, -35, 23]) rotate([0, 4, 90]) cylinder(h = 41, r = 1.25, $fn = 30);

        // ziptie openings
        translate([0, 0, 5]) zip_main();
        translate([0, 0, 18]) zip_main();
        translate([0, 0, 32]) zip_main();
        translate([0, 0, 11]) zip_ext_cables();
        translate([0, 0, 25]) zip_ext_cables();

        // round edge cut
        translate([0, 1.8, -1.5])
        difference()
        {
            translate([-10, -32, 63]) rotate([0, 90, 0]) cylinder(h = 41, r = 4, $fn = 30);
            translate([-10, -32, 63]) rotate([0, 90, 0]) cylinder(h = 41, r = 2, $fn = 30);
            translate([-10, -36, 53]) rotate([0, 0, 0]) cube([20, 9, 10]);
            translate([-10, -32, 58]) rotate([0, 0, 0]) cube([20, 9, 10]);
        }
    }
}

cable_holder();