challenge-bot.com Git - challenge-bot/blob - schematic.scad

   1 // challenge-bot phase-2
   2 // GNU AGPLv3 (or later at your option)
   3 // project available at these locations:
   4 // https://gitorious.org/ozzloy/challenge-bot
   5 // https://github.com/waynegramlich/challenge-bot
   6
   7 // using
   8 // https://github.com/josefprusa/Prusa3/blob/master/box_frame/x-carriage.scad
   9 // as an example of how to code in scad
  10
  11 deck_dimensions = [8, 8, 3/16];
  12
  13 module deck(){
  14   cube(deck_dimensions);}
  15
  16 module wheel_mount(){
  17   difference(){
  18     cube([1.5, 2, 3/16]);
  19     // motor shaft and collar hole
  20     translate([0.5, 0.938, -1/16]) {
  21       cylinder(h = 5/16, r = 0.362/2, $fn = 100);}
  22     // nubbin hole
  23     translate([0.5 + 0.875 - 0.425, 0.938, -1/16]){
  24       cylinder(h = 5/16, r = 0.145/2, $fn = 100);}
  25     // mounting screw hole
  26     translate([0.5 + 1.213 - 0.425, 0.938 - 0.687/2, -1/16]){
  27       cylinder(h = 5/16, r = 0.114/2, $fn = 100);}
  28     translate([0.5 + 1.213 - 0.425, 0.938 + 0.687/2, -1/16]){
  29       cylinder(h = 5/16, r = 0.114/2, $fn = 100);}}}
  30
  31 module wheel(){
  32   cylinder(r = 2.75/2, h = 3/16, $fn = 100);}
  33
  34 color("blue") deck();
  35 rotate([90, 0, 0]) translate([1.5, -2, 0]) wheel_mount();
  36 rotate([90, 0, 0]) translate([1.5, -2, -(8+3/16)]) wheel_mount();
  37 color("red") rotate([90, 0, 0]) translate([2, -(.938), 3/16]) wheel();
  38 color("red") rotate([90, 0, 0]) translate([2, -(.938), -(8 + 3/8)]) wheel();