challenge-bot.com Git - challenge-bot/blob - 3d-printables/motor-mount.scad

   1 // challenge-bot
   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 $fn = 60;
   8
   9 include <motor-mount-dimensions.scad>
  10
  11 module motor_holes(){
  12   collar_x_offset = 10.8;
  13   nubbin_x_offset = 22.23;
  14   // actual motor screw holes are 0.2 further than spec says
  15   screw_x_offset = 30.81 + 0.2;
  16   screw_y_offset = 17.44 / 2;
  17
  18   translate([collar_x_offset, 0, 0]){
  19     cylinder(r = collar_radius, h = mount_total_z + 0.1);}
  20   translate([nubbin_x_offset, 0, 0]){
  21     cylinder(r = nubbin_radius, h = mount_total_z + 0.1);}
  22   translate([screw_x_offset, 0, 0]){
  23     translate([0, screw_y_offset, 0]){
  24       cylinder(r = screw_radius, h = mount_total_z + 0.1);}
  25     translate([0, -screw_y_offset, 0]){
  26       cylinder(r = screw_radius, h = mount_total_z + 0.1);}}}
  27
  28 module bracket_holes(){
  29   translate([6.2, 0, 0])
  30     cylinder(r = _6_radius, h = mount_total_z + 0.1);
  31   translate([mount_total_x - 6.2, 0, 0])
  32     cylinder(r = _6_radius, h = mount_total_z + 0.1);}
  33
  34 module motor_mount(){
  35   difference(){
  36     cube([mount_total_x, mount_total_y, mount_total_z]);
  37     translate([0, 6.2, -0.05]){
  38       bracket_holes();}
  39     translate([1, mount_total_y - motor_height / 2 - 3, -0.05]){
  40       motor_holes();}}}
  41
  42 motor_mount();