// Case for a "Ceph OSD" from ROCK64 + 3.5" HDD + USB3.0-SATA UASP :)

// Version 1, simplest

// From WD datasheet: https://support.wdc.com/images/kb/2579-771970-A03.pdf + https://www.techpowerup.com/forums/attachments/3_5_emount-jpg.44813/
hdd35_w = 102;
hdd35_l = 147;
hdd35_h = 26.1;
hdd35_screw1_offset = 28.5; // from connector side
hdd35_screw2_offset = 28.5+41.61; // from connector side
hdd35_screw3_offset = 28.5+101.6; // from connector side
hdd35_screw_zpos = 6.35; // from bottom
hdd35_screw_dia = 3.51; // 6-32 screws

// From ROCK64 drawings: https://github.com/TeaPackCZ/Rock64_drawings/blob/master/Rock64 Base.pdf
rock64_w = 56.2;
rock64_l = 88;
rock64_h = 17; // +2mm under for microsd slot
rock64_board_thick = 1.5;
rock64_screw_offset = 3.6; // from back and edges
rock64_screw_distance = 58; // from back screws to front screws
rock64_screw_dia = 2.8; // weird screws
rock64_microsd_offset = 19.2;
rock64_microsd_length = 16;

rock64_zpos = 16;
rock64_screw_post_dia = 6;
wall_thickness = 5;
extra_length = 25+wall_thickness;
cooler_pos = 17;

show_assembly = true;

if (show_assembly)
{
    // 3.5 HDD and screws
    color([0.8, 0.6, 1]) cube(size=[hdd35_w, hdd35_l, hdd35_h]);
    color([0.5, 0.5, 1]) translate([0, -rock64_w, 0]) cube(size=[50, rock64_w, 13]);
    color([1, 1, 1]) translate([ 0, hdd35_screw1_offset, hdd35_screw_zpos ]) rotate([0, -90, 0]) cylinder(r=hdd35_screw_dia/2, h=3, $fn=32);
    color([1, 1, 1]) translate([ 0, hdd35_screw2_offset, hdd35_screw_zpos ]) rotate([0, -90, 0]) cylinder(r=hdd35_screw_dia/2, h=3, $fn=32);
    color([1, 1, 1]) translate([ 0, hdd35_screw3_offset, hdd35_screw_zpos ]) rotate([0, -90, 0]) cylinder(r=hdd35_screw_dia/2, h=3, $fn=32);
    color([1, 1, 1]) translate([ hdd35_w, hdd35_screw1_offset, hdd35_screw_zpos ]) rotate([0, 90, 0]) cylinder(r=hdd35_screw_dia/2, h=3, $fn=32);
    color([1, 1, 1]) translate([ hdd35_w, hdd35_screw2_offset, hdd35_screw_zpos ]) rotate([0, 90, 0]) cylinder(r=hdd35_screw_dia/2, h=3, $fn=32);
    color([1, 1, 1]) translate([ hdd35_w, hdd35_screw3_offset, hdd35_screw_zpos ]) rotate([0, 90, 0]) cylinder(r=hdd35_screw_dia/2, h=3, $fn=32);

    // ROCK64
    color([0.6, 0.8, 1]) translate([rock64_l/2+1, -rock64_w/2-3, rock64_zpos]) rotate([-90, 180, 90]) import("./ROCK64.stl");

    // 30x30x15 cooler
    translate([cooler_pos, -rock64_w-extra_length+wall_thickness, total_h/2-1-30/2]) cube(size=[30,15,30]);

    // 12V - 5V converter from aliexpress 25x15x6.3
    translate([50, -rock64_w, 0]) union() {
        cube(size=[25, 15, 1.5]);
        translate([1, 1, 0]) cube(size=[23, 13, 6.3]);
    }
}

total_h = rock64_zpos+rock64_board_thick+rock64_h+2;

color([0, 0.8, 0.5]) {
    // Screw posts for ROCK64
    translate([rock64_screw_offset+2.4, -rock64_screw_offset-3, rock64_zpos+rock64_board_thick]) difference() {
        cylinder(r=rock64_screw_post_dia/2, h=rock64_h, $fn=32);
        translate([0, 0, -1]) cylinder(r=1.45, h=10, $fn=32);
    }
    translate([rock64_screw_offset+2.4, -rock64_w+rock64_screw_offset-3, rock64_zpos+rock64_board_thick]) difference() {
        cylinder(r=rock64_screw_post_dia/2, h=rock64_h, $fn=32);
        translate([0, 0, -1]) cylinder(r=1.45, h=10, $fn=32);
    }
    translate([rock64_screw_distance+rock64_screw_offset+2.4, -rock64_screw_offset-3, rock64_zpos+rock64_board_thick]) difference() {
        cylinder(r=rock64_screw_post_dia/2, h=rock64_h, $fn=32);
        translate([0, 0, -1]) cylinder(r=1.45, h=10, $fn=32);
    }
    translate([rock64_screw_distance+rock64_screw_offset+2.4, -rock64_w+rock64_screw_offset-3, rock64_zpos+rock64_board_thick]) difference() {
        cylinder(r=rock64_screw_post_dia/2, h=rock64_h, $fn=32);
        translate([0, 0, -1]) cylinder(r=1.45, h=10, $fn=32);
    }
    difference()
    {
        // Walls and lid
        union() {
            translate([-wall_thickness, -rock64_w-extra_length, -2]) cube(size=[wall_thickness, rock64_w+extra_length+hdd35_l+wall_thickness, rock64_zpos+rock64_board_thick+rock64_h+2]);
            translate([-wall_thickness, -rock64_w-extra_length, rock64_zpos+rock64_board_thick+rock64_h]) cube(size=[wall_thickness*2+hdd35_w, rock64_w+extra_length+hdd35_l+wall_thickness, 2]);
            translate([hdd35_w, -rock64_w-extra_length, -2]) cube(size=[wall_thickness, rock64_w+extra_length+hdd35_l+wall_thickness, rock64_zpos+rock64_board_thick+rock64_h+2]);
            translate([0, hdd35_l+1, -2]) cube(size=[hdd35_w, wall_thickness-1, rock64_zpos+rock64_board_thick+rock64_h+2]);
            translate([0, -rock64_w-extra_length, -2]) cube(size=[hdd35_w, wall_thickness, rock64_zpos+rock64_board_thick+rock64_h+2]);
        }

        // Holes for cooler and cooler screws
        translate([cooler_pos+30/2, -rock64_w-extra_length+wall_thickness/2, total_h/2-1-30/2+30/2]) rotate([90, 0, 0]) difference() {
            union() {
                cylinder(r=30/2, $fn=64, h=wall_thickness+2, center=true);
                translate([-12, -12, 0]) cylinder(r=1, $fn=16, h=wall_thickness+2, center=true);
                translate([12, -12, 0]) cylinder(r=1, $fn=16, h=wall_thickness+2, center=true);
                translate([-12, 12, 0]) cylinder(r=1, $fn=16, h=wall_thickness+2, center=true);
                translate([12, 12, 0]) cylinder(r=1, $fn=16, h=wall_thickness+2, center=true);
            }
            difference() {
                cube(size=[30, 30, wall_thickness+2], center=true);
                cube(size=[30-2, 30-2, wall_thickness+2], center=true);
            }
            cube(size=[2, 30, wall_thickness+2], center=true);
        }

        // Hole for Ethernet and USB slots
        translate([ hdd35_w-1, -3-rock64_w+2, rock64_zpos ]) cube(size=[wall_thickness+2, rock64_w/3-2, rock64_h]);
        translate([ hdd35_w-1, -3-rock64_w/3*2+2, rock64_zpos ]) cube(size=[wall_thickness+2, rock64_w/3-2, rock64_h]);
        translate([ hdd35_w-1, -3-rock64_w/3+2, rock64_zpos ]) cube(size=[wall_thickness+2, rock64_w/3-2, rock64_h]);

        // Hole for MicroSD 
        translate([ -wall_thickness-1, -3-rock64_microsd_offset-rock64_microsd_length, rock64_zpos-3 ]) cube(size=[wall_thickness+2, rock64_microsd_length, 5]);

        // Hole for the power cord
        translate([ 9, -rock64_w-extra_length+wall_thickness-6/2, 7 ]) rotate([90, 0, 0]) cylinder(h=wall_thickness+2, r=6, $fn=32, center=true);

        // Holes for HDD screws
        translate([ 0, hdd35_screw1_offset, hdd35_screw_zpos ]) rotate([0, -90, 0]) cylinder(r=hdd35_screw_dia/2, h=10, $fn=32);
        //translate([ 0, hdd35_screw2_offset, hdd35_screw_zpos ]) rotate([0, -90, 0]) cylinder(r=hdd35_screw_dia/2, h=10, $fn=32);
        translate([ 0, hdd35_screw3_offset, hdd35_screw_zpos ]) rotate([0, -90, 0]) cylinder(r=hdd35_screw_dia/2, h=10, $fn=32);
        translate([ -1, hdd35_screw1_offset, hdd35_screw_zpos ]) rotate([0, -90, 0]) cylinder(r=hdd35_screw_dia/2+2.5, h=10, $fn=32);
        //translate([ -1, hdd35_screw2_offset, hdd35_screw_zpos ]) rotate([0, -90, 0]) cylinder(r=hdd35_screw_dia/2+2, h=10, $fn=32);
        translate([ -1, hdd35_screw3_offset, hdd35_screw_zpos ]) rotate([0, -90, 0]) cylinder(r=hdd35_screw_dia/2+2.5, h=10, $fn=32);

        translate([ hdd35_w, hdd35_screw1_offset, hdd35_screw_zpos ]) rotate([0, 90, 0]) cylinder(r=hdd35_screw_dia/2, h=10, $fn=32);
        //translate([ hdd35_w, hdd35_screw2_offset, hdd35_screw_zpos ]) rotate([0, 90, 0]) cylinder(r=hdd35_screw_dia/2, h=10, $fn=32);
        translate([ hdd35_w, hdd35_screw3_offset, hdd35_screw_zpos ]) rotate([0, 90, 0]) cylinder(r=hdd35_screw_dia/2, h=10, $fn=32);
        translate([ hdd35_w+1, hdd35_screw1_offset, hdd35_screw_zpos ]) rotate([0, 90, 0]) cylinder(r=hdd35_screw_dia/2+2.5, h=10, $fn=32);
        //translate([ hdd35_w+1, hdd35_screw2_offset, hdd35_screw_zpos ]) rotate([0, 90, 0]) cylinder(r=hdd35_screw_dia/2+2, h=10, $fn=32);
        translate([ hdd35_w+1, hdd35_screw3_offset, hdd35_screw_zpos ]) rotate([0, 90, 0]) cylinder(r=hdd35_screw_dia/2+2.5, h=10, $fn=32);

        // Side slots
        for (i = [-7:11]) {
            if (i >= -1 || i <= -5) {
                translate([ -wall_thickness-1, 8+i*12, total_h-wall_thickness ]) translate([ -1, -1, -1 ]) minkowski() {
                    translate([0, -3, -(total_h-wall_thickness*2 - (i == 2 || i == 10 || i == 11 ? 14 : 0))]) cube(size=[ wall_thickness+2, 2, total_h-wall_thickness*2 - (i == 2 || i == 10 || i == 11 ? 14 : 0) ]);
                    sphere(r=2);
                }
            }
        }

        translate([ hdd35_w+wall_thickness, 0, 0 ]) for (i = [-7:11]) {
            if (i >= 0 || i <= -6) {
                //translate([ -wall_thickness-1, 7+i*14, total_h-wall_thickness ]) rotate([30, 0, 0]) translate([ -1, -1, -1 ]) minkowski() {
                translate([ -wall_thickness-1, 8+i*12, total_h-wall_thickness ]) translate([ -1, -1, -1 ]) minkowski() {
                    translate([0, -3, -(total_h-wall_thickness*2 - (i == 2 || i == 10 || i == 11 ? 14 : 0))]) cube(size=[ wall_thickness+2, 2, total_h-wall_thickness*2 - (i == 2 || i == 10 || i == 11 ? 14 : 0) ]);
                    sphere(r=2);
                }
            }
        }

        translate([ hdd35_w+2, hdd35_l+wall_thickness, 0 ]) rotate([ 0, 0, 90 ]) for (i = [1:6]) {
            translate([ -wall_thickness-1, -5+i*15, total_h-wall_thickness ]) rotate([30, 0, 0]) translate([ -1, -1, -1 ]) minkowski() {
                translate([0, -3, -(total_h-wall_thickness*2)]) cube(size=[ wall_thickness+2, 3, total_h-wall_thickness*2 ]);
                sphere(r=2);
            }
        }

        translate([ hdd35_w+2, -rock64_w-extra_length+wall_thickness, 0 ]) rotate([ 0, 0, 90 ]) for (i = [1:4]) {
            translate([ -wall_thickness-1, i*12, total_h-wall_thickness ]) translate([ -1, -1, -1 ]) minkowski() {
                translate([0, -3, -(total_h-wall_thickness*2)]) cube(size=[ wall_thickness+2, 2, total_h-wall_thickness*2 ]);
                sphere(r=2);
            }
        }
    }
}