| 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 | } |