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include <parameters.scad>
use <rail.scad>
use <hdd.scad>
// bend radius on hdd inlet
R = 2;
// size of the core box
W = hdd_width + vrail_width/2;
H = hdd_height + hrail_height;
// strap dimensions
SW=5;
SH=1.5;
module front(capped_bottom=true) {
total_height = num_hdd_y*H + (capped_bottom ? 2 : hrail_height);
translate([0, 0, capped_bottom ? -(hrail_height/2 - 3) : -hrail_height/2])
intersection() {
union() {
translate([0, 0, 0*H])
tray(front_depth, inlet=[1], power_hole=false, support_bar=false, straps=false);
for (i = [1:num_hdd_y-1])
translate([0, 0, i*H])
tray(front_depth);
translate([0, 0, num_hdd_y*H])
tray(front_depth, inlet=[-1], rail=false);
}
translate([0, 0, num_hdd_y*H/2 + (capped_bottom ? (hrail_height/2 - 2) : 0)])
ccube([2*W, front_depth, total_height]);
}
}
module back() {
intersection() {
union() {
translate([0, 0, 0*H])
tray(back_depth, inlet=[1], power_hole=false);
for (i = [1:num_hdd_y-1])
translate([0, 0, i*H])
tray(back_depth, power_hole=false);
translate([0, 0, num_hdd_y*H])
tray(back_depth, inlet=[-1], rail=false, power_hole=false);
}
translate([0, 0, num_hdd_y*H/2])
ccube([2*W, front_depth, num_hdd_y*H + hrail_height]);
}
}
module ccube(x) cube(x, center=true);
module tray(D, power_hole=true, straps=true, inlet=[-1,1], rail=true, support_bar=true)
union() {
difference() {
union() {
// horizontal rail
ccube([hdd_width, D, hrail_height]);
// vertical rails
for (i = [-1,1])
translate([i*(W/2 - vrail_width/8), 0, 0])
ccube([vrail_width/4, D, H]);
}
// round corners for easy hdd insertion
for (i = inlet)
translate([0, 0, i*(hdd_height + hrail_height)/2])
hdd_inlet(D);
// notches to attach cable strap
if (straps) {
// horizontal strap holes
for (i = [-0.55, -0.18, 0.18, 0.55])
for (k = [-1, 1])
translate([i*hdd_width/2, 0, k*(hrail_height/2 - SH/2)])
strap_hole(D);
// vertical strap holes
for (i = [-1, 1])
translate([i * (hdd_width/2 + SH/2 - epsilon), 0, -hrail_height*3/4])
rotate([0, 90, 0])
# strap_hole(D);
}
// hole for support bar
if (support_bar)
translate([0, D/4, 0])
ccube([W, D, support_bar_width]);
// hole to insert SATA power cables
if (power_hole)
translate([-hdd_width/2 + 15, 0, (support_bar_width - spc_width)/2 - 1.5]) {
translate([0, 0, 0])
ccube([5*spc_width, D, spc_width]);
translate([-2 * spc_width, 0, hrail_height/4])
ccube([spc_width, D, hrail_height/2]);
}
// space for rail
if (rail)
for (i = [0,1])
for (j = [0,1])
mirror([i, 0, 0])
translate([-hdd_width/2 - rail_thickness, -D, hrail_height/2 - rail_thickness - j*H])
rail();
// female side connectors
for (i = [-1,1])
connector_pos(D, i, -1);
}
// male side connectors
for (i = [-1,1])
connector_pos(D, i, 1);
}
module connector_pos(D, lr, gender)
translate([lr*(W/2 + vrail_width/4), -D/2, H*lr*gender*0.3])
connector();
module connector() {
connector_width = vrail_width - 2*(1 + rail_thickness);
intersection() {
translate([0, 2.5, 0]) ccube([connector_width, 5, 10]);
rotate([45, 0, 0]) ccube([connector_width, 5, 5]);
}
}
module strap_hole(D) {
ccube([SW, D, SH]);
}
module hdd_inlet(D)
render()
for (i = [0,1]) mirror([i, 0, 0])
for (j = [0,1]) mirror([0, j, 0])
for (k = [0,1]) mirror([0, 0, k])
difference() {
union() {
translate([0, D/2-R, 0])
cube([hdd_width/2 + R, D, hdd_height/2 + R]);
cube([hdd_width/2, D/2-R, hdd_height/2]);
};
translate([hdd_width/2 + R, D/2-R, 0])
rotate([0, 0, 0])
cylinder(r=R, h=H, center=true);
translate([0, D/2-R, hdd_height/2 + R])
rotate([0, 90, 0])
cylinder(r=R, h=W, center=true);
}
tray();
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