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1 | /* |
2 | challenge-bot |
3 | project available here: |
4 | https://challenge-bot.com/ |
5 | |
6 | Copyright (C) 2016 Daniel Watson |
7 | See the end of the file for license conditions. |
8 | tl;dr GNU AGPLv3 (or later at your option) |
9 | */ |
10 | |
11 | /* |
12 | open source hardware logo data |
13 | this file contains all the data, and nothing else |
14 | see open-source-hardware-logo.scad for example use |
15 | */ |
16 | |
17 | // keep around 20 for editing, 100 for final output |
18 | $fn = 100; |
19 | |
20 | open_source_hardware_logo_radius = 10; |
21 | open_source_hardware_logo_depth = 5; |
22 | |
23 | module octogon_slice_upper_half(radius) { |
24 | polygon([[0, 0], |
25 | [radius, tan(360 / (8 * 2)) * radius], |
26 | [radius, 0]]); } |
27 | |
28 | module open_source_hardware_spoke_upper_half(radius) { |
29 | difference(){ |
30 | octogon_slice_upper_half(radius); |
31 | circle(radius / 4); |
32 | translate([radius * 3 / 4, |
33 | (5 / 12) * tan(360 / (8 * 2)) * radius]) { |
34 | rotate(-360 / 32) { |
35 | square(radius); } |
36 | rotate(360 / 16) { |
37 | square(radius); } } } } |
38 | |
39 | module open_source_hardware_spoke(radius) { |
40 | open_source_hardware_spoke_upper_half(radius); |
41 | mirror([0, 1, 0]) { |
42 | open_source_hardware_spoke_upper_half(radius); } } |
43 | |
44 | module open_source_hardware_logo_2d(radius) { |
45 | for(spoke_number = [-1 : 5]){ |
46 | rotate(spoke_number * (360 / 8)) { |
47 | open_source_hardware_spoke(radius); } } } |
48 | |
49 | module open_source_hardware_logo(radius, depth) { |
50 | linear_extrude(height = depth) { |
51 | open_source_hardware_logo_2d(radius); } } |
52 | |
53 | /* |
54 | This file is part of challenge-bot. |
55 | |
56 | Challenge-bot is free software: you can redistribute it and/or modify |
57 | it under the terms of the GNU Affero General Public License as published by |
58 | the Free Software Foundation, either version 3 of the License, or |
59 | (at your option) any later version. |
60 | |
61 | GNU Affero Emacs is distributed in the hope that it will be useful, |
62 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
63 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
64 | GNU Affero General Public License for more details. |
65 | |
66 | You should have received a copy of the GNU Affero General Public License |
67 | along with challenge-bot. If not, see <http://www.gnu.org/licenses/>. |
68 | */ |