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include <parameters.scad>
use <screw_hole.scad>
module hdd_connector(w,h,d) {
difference() {
cube([w, d, h]);
translate([1, 2, 1])
cube([w - 2, d, h - 2]);
}
}
// board
module backplane_pcb() {
color("sienna")
difference() {
cube([backplane_width, backplane_thickness, backplane_height]);
// screw holes for ...
for (p = [// ... PCB screws
[0, bar_thickness/2],
[0, tray_height - bar_thickness/2],
[tray_width/2 - bar_thickness, tray_height - bar_thickness/2],
[tray_width/2 + bar_thickness, tray_height - bar_thickness/2],
// .. assembly hooks
[rail_width/2 + bar_thickness/2, bar_thickness/2],
[tray_width/4, tray_height - bar_thickness/2]
])
translate([p[0] - backplane_hoffset, 0, p[1] - backplane_voffset])
rotate([-90, 0, 0])
screw_hole();
}
}
module backplane_populated() {
backplane_pcb();
// front connector (power + data)
color("darkgrey")
translate([backplane_con_hoffset, 0, backplane_con_voffset])
mirror([0, 1, 0]) {
hdd_connector(backplane_con_width/ 3 * 2 + 1, backplane_con_height, backplane_con_depth);
translate([backplane_con_width / 3 * 2, 0, 0])
hdd_connector(backplane_con_width / 3 * 1, backplane_con_height, backplane_con_depth);
}
// back connector (data)
translate([backplane_con_hoffset + backplane_con_width / 3 * 2,
backplane_thickness, backplane_con_voffset])
mirror([0, 1, 0]) rotate([90, 0, 0])
hdd_connector(backplane_con_width / 3 * 1, backplane_con_height, backplane_con_depth);
}
backplane_populated();
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