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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(); } } } |
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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 | */ |
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