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


module main_body()
{
    difference()
    {
        union()
        {
            // main body
            translate([-77, -4.5, 0]) cube([155, 59.8, 2]);
            translate([-77, -4.5, 0]) rotate([35, 0, 0]) cube([155, 2, 20.08]);
            translate([-77, -3.5, -1]) rotate([35, 0, 0]) cube([7, 5, 15]);
            translate([71, -3.5, -1]) rotate([35, 0, 0]) cube([7, 5, 15]);
            translate([-77, -14.7, 14.2])  cube([155, 2, 11.8]);
            translate([-77, 54, 0]) cube([155, 2, 17]);

            // M3 hole body
            translate([73.5, 43.3, 0.5]) rotate([0, 0, 90])  cylinder(h = 14, r = 4, $fn = 6);
            translate([-72.5, 43.5, 0.5]) rotate([0, 0, 90])  cylinder(h = 14, r = 4, $fn = 6);
        }

        // LCD window
        translate([-61.5, 1, 1.2]) cube([98.5, 42, 10]);
        translate([-54.5, 8, -1]) cube([85, 30.5, 10]);

        // buzzer holes
        translate([55, 1.5, -1]) cube([1.3, 4, 10]);
        translate([57, 1.5, -1]) cube([1.3, 4, 10]);
        translate([59, 1.5, -1]) cube([1.3, 4, 10]);
        translate([61, 1.5, -1]) cube([1.3, 4, 10]);
        translate([63, 1.5, -1]) cube([1.3, 4, 10]);
        translate([65, 1.5, -1]) cube([1.3, 4, 10]);
        translate([67, 1.5, -1]) cube([1.3, 4, 10]);

        // buzzer holes corners
        translate([66.25, 1.5, -0.5]) rotate([0, 45, 0]) cube([2, 4, 2]);
        translate([64.25, 1.5, -0.5]) rotate([0, 45, 0]) cube([2, 4, 2]);
        translate([62.25, 1.5, -0.5]) rotate([0, 45, 0]) cube([2, 4, 2]);
        translate([60.25, 1.5, -0.5]) rotate([0, 45, 0]) cube([2, 4, 2]);
        translate([58.25, 1.5, -0.5]) rotate([0, 45, 0]) cube([2, 4, 2]);
        translate([56.25, 1.5, -0.5]) rotate([0, 45, 0]) cube([2, 4, 2]);
        translate([54.25, 1.5, -0.5]) rotate([0, 45, 0]) cube([2, 4, 2]);

        // knob hole
        translate([62.5, 21, -1]) cylinder(h = 10, r = 6, $fn = 30);
        translate([62.5, 21, -1.2]) cylinder(h = 2, r1 = 7, r2 = 6, $fn = 30);

        // reset button cutout
        translate([44, 26, -1]) cube([1, 6, 9]);
        translate([48, 26, -1]) cube([1, 2.5, 9]);
        translate([68.5, 36, -1]) cube([1, 8, 9]);
        translate([56, 43, -1]) cube([13.5, 1, 9]);
        translate([50.5, 30, -1]) cube([13, 1, 9]);
        translate([44.7, 31.28, -1]) rotate([0, 0, 45]) cube([17, 1, 9]);
        translate([63.5, 30, -1]) rotate([0, 0, 45]) cube([8.5, 1, 9]);
        translate([48.7, 27.8, -1]) rotate([0, 0, 45]) cube([3.55, 1, 9]);

        // rear support cutout
        translate([-64.5, -12.7, 14]) cube([10, 3, 16]);
        translate([55.5, -12.7, 14]) cube([10, 3, 16]);
    }
}

module pcb_clip()
{
    difference()
    {
        union()
        {
            translate([-3, -12, 17.5]) cube([7, 4, 5]);
            translate([-3, -10.6, 12.5]) cube([1, 2.6, 7]);
            translate([3, -10.6, 12.5]) cube([1, 2.6, 7]);
        }
        translate([-4, -8, 18.5]) rotate([30, 0, 0]) cube([10, 6, 6]);
        translate([2.5, -12, 14.5]) cube([1, 4, 0.2]);
        translate([-2.5, -12, 14.5]) cube([1, 4, 0.2]);
        translate([2.5, -12, 17.3]) cube([1, 4, 0.2]);
        translate([-2.5, -12, 17.3]) cube([1, 4, 0.2]);
    }
}

difference()
{
    union()
    {

        pcb_clip();
        main_body();

        // reset button
        translate([62.5, 37.3, 0]) cylinder(h = 7.2, r = 3.5, $fn = 30);

        //left side
        translate([-77, -14.7, 0]) cube([1.5, 70.7, 26]);
        translate([-76.5, -15, 0]) cube([4, 70, 14.6]);

        //right side
        translate([76.5, -14.7, 0]) cube([1.5, 70.7, 26]);
        translate([73.5, -14, 0]) cube([4, 70, 14.5]);

        //rear side reinforcement
        translate([-54.5, -11.7, 8]) cube([110, 4, 6.5]);
        translate([65.5, -11.7, 8]) cube([12, 4, 6.5]);
        translate([65.5, -13, 14]) cube([12, 2, 12]);
        translate([-76.5, -11.7, 8]) cube([12, 4, 6.5]);
        translate([-76.5, -14.7, 14.5]) cube([12, 4, 11.5]);
        translate([-44, -14.7, 14.5]) cube([89, 4, 11.5]);
        translate([-43.5, -10.7, 15]) rotate([90, 0, 0]) cylinder(h = 2, r = 11, $fn = 60);
        translate([44.5, -10.7, 15]) rotate([90, 0, 0]) cylinder(h = 2, r = 11, $fn = 60);

        //front left side reinforcement
        difference()
        {
            union()
            {
                translate([-77, 41.3, 0]) cube([15, 14, 25]);
                translate([-77, 46.3, 14]) cube([15, 9, 3]);
            }
            translate([-64.5, 40, -3]) cube([4, 8, 40]);
            translate([-75.5, 40.3, 14.5]) cube([15, 6.5, 25]);
        }

        //front right side reinforcement
        difference()
        {
            translate([38, 41.2, 0]) cube([40, 14, 26]);
            translate([55, 44.5, 0]) cube([10.5, 3.7, 30]);
            translate([44, 39.5, 0]) cube([25.5, 5, 30]);
            translate([35, 39.3, 14.5]) cube([42.5, 7, 15]);
            translate([49, 43.2, 25]) rotate([0, 60, 0]) cube([12, 5, 10]);
        }
    }

    // SD card opening
    translate([-80, 9, 16.5]) cube([10, 28, 4.5]);

    // front and rear angle
    translate([-81, -9.3, -17]) rotate([35, 0, 0]) cube([164, 14, 54.08]);
    translate([-78, 72.7, -3]) rotate([45, 0, 0]) cube([160, 14, 54.08]);

    // M3 screw thread
    translate([72.5, 43.2, 3]) cylinder(h = 20, r = 1.4, $fn = 30);
    translate([-72.5, 42.7, 3]) cylinder(h = 20, r = 1.4, $fn = 30);
    translate([72.5, 43.2, 11.7]) cylinder(h = 3, r1 = 1.4, r2 = 2.2, $fn = 30);
    translate([-72.5, 42.7, 11.7]) cylinder(h = 3, r = 1.4, r2 = 2.2, $fn = 30);

    // ORIGINAL PRUSA text
    translate([-67, 51, 0.6]) rotate([180, 0, 0]) linear_extrude(height = 2)
    { text("ORIGINAL", font = "helvetica:style = Bold", size = 7, center = true); }
    translate([-18, 51, 0.6]) rotate([180, 0, 0]) linear_extrude(height = 2)
    { text("PRUSA", font = "helvetica:style = Bold", size = 11, center = true); }
    translate([-66, 40.5, -0.4])  cube([45, 1.6, 1]);
    translate([-66, 41.3, -0.4]) cylinder(h = 1, r = 0.8, $fn = 30);
    translate([-21, 41.3, -0.4]) cylinder(h = 1, r = 0.8, $fn = 30);

    // front cleanup
    translate([-100, -64, 0]) cube([200, 50, 50]);

    // X sign on reset button
    translate([63, 34, -1]) rotate([0, 0, 45]) cube([2, 8, 2]);
    translate([57.5, 35.5, -1]) rotate([0, 0, -45]) cube([2, 8, 2]);

    // corners
    translate([73, -5, -1]) rotate([0, 45, 0]) cube([7, 80, 7]);
    translate([-82, -5, -1]) rotate([0, 45, 0]) cube([7, 80, 7]);

    translate([-82, 58, -5]) rotate([45, 0, 0]) cube([200, 7, 7]);
    translate([-77, 51, -4]) rotate([0, 0, 45]) cube([8, 8, 50]);
    translate([78, 51, -4]) rotate([0, 0, 45]) cube([8, 8, 50]);
    translate([78, -19, -4]) rotate([0, 0, 45]) cube([5, 5, 50]);
    translate([-77, -19, -4]) rotate([0, 0, 45]) cube([5, 5, 50]);

    // LCD corners
    translate([-54.5, 9.5, -5.2]) rotate([45, 0, 0]) cube([85, 5, 5]);  // LCD window
    translate([-54.5, 37, -5.2]) rotate([45, 0, 0]) cube([85, 5, 5]);  // LCD window
    rotate([35, 0, 0]) translate([-78, -8, -4]) rotate([0, 0, 45]) cube([6, 6, 50]);
    rotate([35, 0, 0]) translate([79, -8, -4]) rotate([0, 0, 45]) cube([6, 6, 50]);
    translate([-100, -40, -50]) cube([200, 50, 50]);

    // version
    translate([-73, 15, 4]) rotate([90, 0, 90]) linear_extrude(height = 2)
    { text("R2", font = "helvetica:style = Bold", size = 7, center = true); }
}

// print support for SD card opening
translate([-76.5, 15, 16.70]) cube([1, 5, 4.1]);
translate([-76.5, 25, 16.70]) cube([1, 5, 4.1]);