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use <bolt.scad>
use <nut.scad>
use <rounded_cube.scad>
module shell_base(dim, t) {
radius = t;
difference() {
rounded_cube(dim, radius);
translate([0,0,dim[2]/2])
cube([dim[0], dim[1], dim[2]/2]);
translate([3*t, t, t])
rounded_cube([dim[0]-6*t, dim[1]-2*t, dim[2]-2*t], radius);
translate([0, 2*t, 2*t])
rounded_cube([dim[0], dim[1]-4*t, dim[2]-4*t], radius);
for (x_off = [t, dim[0]-2*t]) {
translate([x_off, t, t])
rounded_cube([t, dim[1]-2*t, dim[2]-2*t], radius);
}
for (x = [dim[0]/4, dim[0]-dim[0]/4]) {
translate([x,0,dim[2]/2-1.5*bolt_d])
rotate([-90,0,0])
cylinder(r=bolt_r, h=1.1*t);
}
}
}
module shell_connector(dim, t) {
size_x = dim[0]-6*t;
size_y = 2*nut_h;
size_z = dim[2]/2+3*bolt_d;
difference () {
// base body
translate([3*t,dim[1]-t-size_y,0])
cube([size_x,size_y,size_z]);
// bolt holes
for (x = [dim[0]/4, dim[0]-dim[0]/4]) {
translate([x,dim[1]-t,dim[2]/2+1.5*bolt_d])
rotate([90,0,0])
cylinder(r=bolt_r, h=size_y);
}
// nut holes
for (x = [dim[0]/4, dim[0]-dim[0]/4]) {
translate([x,dim[1]-t-size_y,dim[2]/2+1.5*bolt_d])
rotate([-90,0,0])
cylinder(r=nut_r, h=nut_h);
}
}
echo(min_shell_bolt_length=t+size_y);
}
module pcb_case_shell(dim, t, h, sockets) {
difference () {
union() {
shell_base(dim, t);
shell_connector(dim, t);
for (socket = [0:len(sockets)-1]) {
translate([sockets[socket][0], sockets[socket][1], 0])
cylinder(d=nut_d+2, h=h);
}
}
for (socket = [0:len(sockets)-1]) {
translate([sockets[socket][0], sockets[socket][1], 0]) {
cylinder(d=bolt_d, h=h);
cylinder(d=0.9*nut_d, h=nut_h);
}
}
}
}
module pcb_case_shell_bottom(dim, t, h, sockets) {
pcb_case_shell(dim, t, h, sockets);
}
module pcb_case_shell_top(dim, t) {
translate([0,dim[1],dim[2]])
rotate([180,0,0])
pcb_case_shell(dim, t, 0, []);
}
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