challenge-bot.com Git - challenge-bot/blob - schematic-3d-printable.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 scale=10;
  12
  13 deck_z = 3/16;
  14 deck_x = 8;
  15 deck_y = 8;
  16 deck_dimensions = [deck_x, deck_y, deck_z];
  17
  18 module deck(scale){
  19   cube(deck_dimensions * scale, center = true);}
  20
  21 module collar_hole(scale){
  22   cylinder(h = 5/16 * scale, r = 0.362/2 * scale, $fn = 100);}
  23
  24 module nubbin_hole(scale){
  25   cylinder(h = 5/16 * scale, r = 0.145/2 * scale, $fn = 100);}
  26
  27 module mounting_screw_hole(scale){
  28   cylinder(h = 5/16 * scale, r = 0.114/2 * scale, $fn = 100);}
  29
  30 module wheel_mount(scale){
  31   difference(){
  32     cube([1.5, 2, 3/16] * scale);
  33     // motor shaft collar hole
  34     translate([0.5, 0.938, -1/16] * scale) {
  35       collar_hole(scale);}
  36     // nubbin hole
  37     translate([0.5 + 0.875 - 0.425, 0.938, -1/16] * scale){
  38       nubbin_hole(scale);}
  39     // mounting screw hole
  40     translate([0.5 + 1.213 - 0.425, 0.938 - 0.687/2, -1/16] * scale){
  41       mounting_screw_hole(scale);}
  42     translate([0.5 + 1.213 - 0.425, 0.938 + 0.687/2, -1/16] * scale){
  43       mounting_screw_hole(scale);}}}
  44
  45 translate([0, 0, (3/16)/2 * scale]){
  46 color("blue") deck(scale);
  47 rotate([90, 0, 0])
  48     translate([1.5, (deck_z)/2, -4] * scale) wheel_mount(scale);
  49 rotate([90, 0, 0])
  50     translate([1.5, (deck_z)/2, 4 - deck_z] * scale) wheel_mount(scale);
  51 }