diff options
| -rw-r--r-- | backplane.scad | 37 | ||||
| -rw-r--r-- | parameters.scad | 21 |
2 files changed, 56 insertions, 2 deletions
diff --git a/backplane.scad b/backplane.scad new file mode 100644 index 0000000..532885b --- /dev/null +++ b/backplane.scad @@ -0,0 +1,37 @@ +include <parameters.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") + cube([backplane_width, backplane_thickness, backplane_height]); +} + +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();
\ No newline at end of file diff --git a/parameters.scad b/parameters.scad index a1f1b2e..6fad0e7 100644 --- a/parameters.scad +++ b/parameters.scad @@ -1,6 +1,6 @@ // size of the array num_hdd_x = 4; -num_hdd_y = 3; +num_hdd_y = 5; // space above hdd available for air flow cooling_height = 10; @@ -11,12 +11,29 @@ bar_thickness = 10; // length hdd is standing out to be grabbed hdd_standout = 25; +// dimensions of the backplane PCB +backplane_width = 70; +backplane_height = 30; +backplane_thickness = 1.6; + +// offsets of the backplane relative to the hdd +backplane_hoffset = -(bar_thickness - 2); +backplane_voffset = -(bar_thickness - 2); + +// display only: dimensions and offsets of the SATA connector relative +// to the backplane +backplane_con_width = 45; +backplane_con_height = 5; +backplane_con_depth = 10; +backplane_con_hoffset = 5 - backplane_hoffset; +backplane_con_voffset = 15; + // outer diameter of thread rod and nut used for support rod_diameter = 4; nut_diameter = 6; nut_height = 3; -// dimensions of HDDs; not model-specific; current values are fake +// dimensions of HDDs; not model-specific hdd_width = 101.6; hdd_height = 25.4; hdd_length = 146; |