filamentspool.scad

   1
   2 slop=0.5;
   3
   4 prongthick=5;
   5 prongwidth=5;
   6 ratchetstep=10;
   7 ratchettooth=3;
   8 ratchettoothheight=5;
   9 overlap=0.5;
  10
  11 armendwallthick=2.5;
  12 armendbasethick=1.2;
  13
  14 module ArmEnd(length=100){
  15   channelwidth = prongthick + slop;
  16   channeldepth = prongwidth + ratchettoothheight;
  17   totalwidth = armendwallthick*2 + channelwidth;
  18   totalheight = channeldepth + armendbasethick;
  19   difference(){
  20     translate([0, -armendwallthick, -armendbasethick])
  21       cube([ratchetstep+overlap, totalwidth, totalheight]);
  22     translate([-1, 0, 0])
  23       cube([ratchetstep+overlap+2, channelwidth, channeldepth+1]);
  24   }
  25 }
  26
  27 ArmEnd();