Commit | Line | Data |
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9c3b4d1b P |
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 | ||
c423550e | 11 | scale=10; |
12 | ||
a7d043a3 | 13 | deck_width = 8; |
14 | deck_length = 8; | |
15 | deck_depth = 3/16; | |
16 | deck_dimensions = [deck_width, deck_length, deck_depth]; | |
9c3b4d1b | 17 | |
c423550e | 18 | module deck(scale){ |
a8f16f3a | 19 | cube(deck_dimensions * scale, center = true);} |
c423550e | 20 | |
21 | module collar_hole(scale){ | |
b565c0f7 | 22 | cylinder(h = 5/16 * scale, r = 0.362/2 * scale);} |
c423550e | 23 | |
28d0154b | 24 | module nubbin_hole(scale){ |
b565c0f7 | 25 | cylinder(h = 5/16 * scale, r = 0.145/2 * scale);} |
c423550e | 26 | |
27 | module mounting_screw_hole(scale){ | |
b565c0f7 | 28 | cylinder(h = 5/16 * scale, r = 0.114/2 * scale);} |
c423550e | 29 | |
0316dce2 | 30 | module wheel_mount_reinforcement(scale){ |
a7d043a3 | 31 | diagonal = sqrt(deck_depth * deck_depth + deck_depth * deck_depth); |
0316dce2 | 32 | difference(){ |
a7d043a3 | 33 | cube([deck_depth * 2, deck_depth * 2, deck_depth * 2] * scale); |
34 | translate([-(diagonal - deck_depth) / 2, 0, 0] * scale) | |
0316dce2 | 35 | rotate([45, 0, 0]) |
a7d043a3 | 36 | translate([0, -(diagonal * 1.1 - deck_depth) / 2, 0]) |
37 | cube([diagonal * 2, diagonal * 2 * 1.1, deck_depth * 2] * scale);}} | |
0316dce2 | 38 | |
c423550e | 39 | module wheel_mount(scale){ |
40 | difference(){ | |
41 | cube([1.5, 2, 3/16] * scale); | |
42 | // motor shaft collar hole | |
43 | translate([0.5, 0.938, -1/16] * scale) { | |
44 | collar_hole(scale);} | |
45 | // nubbin hole | |
46 | translate([0.5 + 0.875 - 0.425, 0.938, -1/16] * scale){ | |
28d0154b | 47 | nubbin_hole(scale);} |
c423550e | 48 | // mounting screw hole |
49 | translate([0.5 + 1.213 - 0.425, 0.938 - 0.687/2, -1/16] * scale){ | |
50 | mounting_screw_hole(scale);} | |
51 | translate([0.5 + 1.213 - 0.425, 0.938 + 0.687/2, -1/16] * scale){ | |
52 | mounting_screw_hole(scale);}}} | |
53 | ||
a8f16f3a | 54 | translate([0, 0, (3/16)/2 * scale]){ |
0316dce2 | 55 | color("blue") deck(scale); |
56 | rotate([90, 0, 0]) | |
a7d043a3 | 57 | translate([1.5, (deck_depth)/2, -4] * scale) wheel_mount(scale); |
0316dce2 | 58 | rotate([90, 0, 0]) |
a7d043a3 | 59 | translate([1.5, (deck_depth)/2, 4 - deck_depth] * scale) |
60 | wheel_mount(scale);} | |
0316dce2 | 61 | |
a7d043a3 | 62 | translate([1.5, deck_length/2 - deck_depth * 3, deck_depth] * scale){ |
0316dce2 | 63 | wheel_mount_reinforcement(scale);} |
a7d043a3 | 64 | translate([1.5 * 2 - deck_depth * 2, |
65 | deck_length / 2 - deck_depth * 3, | |
66 | deck_depth] | |
67 | * scale){ | |
0316dce2 | 68 | wheel_mount_reinforcement(scale);} |
69 | ||
a7d043a3 | 70 | translate([1.5 + deck_depth * 2, |
71 | 3 * deck_depth - deck_length / 2, | |
72 | deck_depth] | |
73 | * scale){ | |
0316dce2 | 74 | rotate([0, 0, 180]){ |
75 | wheel_mount_reinforcement(scale);}} | |
a7d043a3 | 76 | translate([1.5 * 2, 3 * deck_depth - deck_length / 2, deck_depth] * scale){ |
0316dce2 | 77 | rotate([0, 0, 180]){ |
78 | wheel_mount_reinforcement(scale);}} |