challenge-bot.com Git - challenge-bot/blob - 3d-printables/open-source-hardware-logo-data.scad

   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 */