challenge-bot.com Git - challenge-bot/blob - 3d-printables/nut-data.scad

   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
  10 module nut_2d(size) {
  11   side_length = size * sin(30) / sin(120);
  12   for (ii = [-1:1]) {
  13     rotate(a = 120 * ii, v = [0, 0, 1]) {
  14       square([side_length, size], center = true); } } }
  15
  16 module nut(size, height) {
  17   linear_extrude(height = height) {
  18     nut_2d(size); } }
  19
  20 /*
  21   This file is part of challenge-bot.
  22
  23   Challenge-bot is free software: you can redistribute it and/or modify
  24   it under the terms of the GNU Affero General Public License as published by
  25   the Free Software Foundation, either version 3 of the License, or
  26   (at your option) any later version.
  27
  28   GNU Affero Emacs is distributed in the hope that it will be useful,
  29   but WITHOUT ANY WARRANTY; without even the implied warranty of
  30   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  31   GNU Affero General Public License for more details.
  32
  33   You should have received a copy of the GNU Affero General Public License
  34   along with challenge-bot.  If not, see <http://www.gnu.org/licenses/>.
  35 */