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
9 // from schematic http://goo.gl/96RKol
10 collar_radius
= 9.2 / 2;
11 // subtract a bit to make snap fit
12 nubbin_radius
= (4.48 - 0.3) / 2; // make snap fit
13 screw_radius
= 2.9 / 2 + 0.1; // a little bigger so screws fit through
17 // http://freespace.virgin.net/matt.waite/resource/handy/screwsize.htm
20 // measurements we made up:
22 mount_total_y
= mount_total_x
;
23 mount_total_z
= 3.175; // 3/16 in mm
26 collar_x_offset
= 10.8;
27 nubbin_x_offset
= 22.23;
28 // actual motor screw holes are 0.2 further than spec says
29 screw_x_offset
= 30.81 + 0.2;
30 screw_y_offset
= 17.44 / 2;
32 translate([collar_x_offset
, 0, 0]){
33 cylinder(r
= collar_radius
, h
= mount_total_z
+ 0.1);}
34 translate([nubbin_x_offset
, 0, 0]){
35 cylinder(r
= nubbin_radius
, h
= mount_total_z
+ 0.1);}
36 translate([screw_x_offset
, 0, 0]){
37 translate([0, screw_y_offset
, 0]){
38 cylinder(r
= screw_radius
, h
= mount_total_z
+ 0.1);}
39 translate([0, -screw_y_offset
, 0]){
40 cylinder(r
= screw_radius
, h
= mount_total_z
+ 0.1);}}}
42 module
bracket_holes(){
43 translate([6.2, 0, 0])
44 cylinder(r
= _6_radius
, h
= mount_total_z
+ 0.1);
45 translate([mount_total_x
- 6.2, 0, 0])
46 cylinder(r
= _6_radius
, h
= mount_total_z
+ 0.1);}
50 cube([mount_total_x
, mount_total_y
, mount_total_z
]);
51 translate([0, 6.2, -0.05]){
53 translate([1, mount_total_y
- motor_height
/ 2 - 3, -0.05]){