25cd00a6 |
1 | /* |
2 | Copyright (C) 2015 Daniel Watson |
3 | See the end of the file for license conditions. |
4 | */ |
5 | // challenge-bot |
6 | // GNU AGPLv3 (or later at your option) |
7 | // project available here: |
8 | // https://challenge-bot.com/ |
9 | |
3d90aff0 |
10 | // from schematic http://goo.gl/96RKol |
11 | collar_radius = 9.2 / 2 + 0.25; |
12 | nubbin_radius = 4.48 / 2; |
13 | screw_radius = 2.9 / 2 + 0.35; // a little bigger so screws fit through |
14 | |
15 | motor_height = 22.23; |
16 | |
17 | // http://freespace.virgin.net/matt.waite/resource/handy/screwsize.htm |
18 | _6_radius = 3.5 / 2 + 0.25; |
19 | |
20 | // measurements we made up: |
21 | mount_total_x = 38; |
22 | mount_total_y = mount_total_x; |
23 | mount_total_z = 3.175; // 3/16 in mm |
24 | |
25 | module motor_holes() { |
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; |
31 | |
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); } } } |
41 | |
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); } |
47 | |
48 | module motor_mount() { |
49 | difference() { |
50 | cube([mount_total_x, mount_total_y, mount_total_z]); |
51 | translate([0, 6.2, -0.05]) { |
52 | bracket_holes(); } |
53 | translate([1, mount_total_y - motor_height / 2 - 3, -0.05]) { |
54 | motor_holes(); } } } |
25cd00a6 |
55 | |
56 | /* |
57 | This file is part of challenge-bot. |
58 | |
59 | Challenge-bot is free software: you can redistribute it and/or modify |
60 | it under the terms of the GNU Affero General Public License as published by |
61 | the Free Software Foundation, either version 3 of the License, or |
62 | (at your option) any later version. |
63 | |
64 | GNU Affero Emacs is distributed in the hope that it will be useful, |
65 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
66 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
67 | GNU Affero General Public License for more details. |
68 | |
69 | You should have received a copy of the GNU Affero General Public License |
70 | along with challenge-bot. If not, see <http://www.gnu.org/licenses/>. |
71 | */ |