HDD holder

scad

// hard disk holder


module stand(
   wall=3,
   height=20,
   dw=20,
   dd=80
) {
   wall2 = wall*2;
   difference() {
      cube( [dw+wall2, dd+wall2, height]);
      translate([wall,wall,wall])
         cube( [dw, dd, height-wall]);
   }
}

// sumv function by https://www.thingiverse.com/MichaelAtOz/about
// https://www.thingiverse.com/thing:70745
function sumv(v,i,s=0) = (i==s ? v[i] : v[i] + sumv(v,i-1,s));

module multistand(
   wall = 3, 
   height = 20,
   deepness = 80,
   disks = [20,24,26]
) {
   union(){
      for (j = [0:  len(disks)-1]) {
         move = sumv(disks,j) - disks[j] ;
         walls = wall * j;
         //echo(disks[j], move, disks[j]);
         
         translate([ move + walls,0,0]) 
            stand(wall, height, disks[j], deepness);
      }
   }
}


wall=3; // mm
height=30;
deep = 140;

disks = [20,20,18,40];
multistand(wall,height,deep, disks);