create open source hardware logo in openscad

diff --git a/3d-printables/open-source-hardware-logo-data.scad b/3d-printables/open-source-hardware-logo-data.scad
new file mode 100644 (file)
index 0000000..87c03c5
--- /dev/null
+++ b/3d-printables/open-source-hardware-logo-data.scad
@@ -0,0 +1,68 @@
+/*
+  challenge-bot
+  project available here:
+  https://challenge-bot.com/
+
+  Copyright (C) 2016 Daniel Watson
+  See the end of the file for license conditions.
+  tl;dr GNU AGPLv3 (or later at your option)
+ */
+
+/*
+  open source hardware logo data
+  this file contains all the data, and nothing else
+  see open-source-hardware-logo.scad for example use
+ */
+
+// keep around 20 for editing, 100 for final output
+$fn = 100;
+
+open_source_hardware_logo_radius = 10;
+open_source_hardware_logo_depth = 5;
+
+module octogon_slice_upper_half(radius) {
+  polygon([[0, 0],
+           [radius, tan(360 / (8 * 2)) * radius],
+           [radius, 0]]); }
+
+module open_source_hardware_spoke_upper_half(radius) {
+  difference(){
+    octogon_slice_upper_half(radius);
+    circle(radius / 4);
+    translate([radius * 3 / 4,
+               (5 / 12) * tan(360 / (8 * 2)) * radius]) {
+      rotate(-360 / 32) {
+        square(radius); }
+      rotate(360 / 16) {
+        square(radius); } } } }
+
+module open_source_hardware_spoke(radius) {
+  open_source_hardware_spoke_upper_half(radius);
+  mirror([0, 1, 0]) {
+    open_source_hardware_spoke_upper_half(radius); } }
+
+module open_source_hardware_logo_2d(radius) {
+  for(spoke_number = [-1 : 5]){
+    rotate(spoke_number * (360 / 8)) {
+      open_source_hardware_spoke(radius); } } }
+
+module open_source_hardware_logo(radius, depth) {
+  linear_extrude(height = depth) {
+     open_source_hardware_logo_2d(radius); } }
+
+/*
+  This file is part of challenge-bot.
+
+  Challenge-bot is free software: you can redistribute it and/or modify
+  it under the terms of the GNU Affero General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  GNU Affero Emacs is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU Affero General Public License for more details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with challenge-bot.  If not, see <http://www.gnu.org/licenses/>.
+*/

diff --git a/3d-printables/open-source-hardware-logo.scad b/3d-printables/open-source-hardware-logo.scad
new file mode 100644 (file)
index 0000000..d1030f0
--- /dev/null
+++ b/3d-printables/open-source-hardware-logo.scad
@@ -0,0 +1,38 @@
+/*
+  challenge-bot
+  project available here:
+  https://challenge-bot.com/
+
+  Copyright (C) 2016 Daniel Watson
+  See the end of the file for license conditions.
+  tl;dr GNU AGPLv3 (or later at your option)
+ */
+
+/*
+  open source hardware logo use
+  this file draws open source hardware logo using data from
+  open-source-hardware-logo-data.scad
+ */
+
+/* deck-data.scad gives deck_depth */
+include <open-source-hardware-logo-data.scad>
+
+open_source_hardware_logo(open_source_hardware_logo_radius,
+                          open_source_hardware_logo_depth);
+
+/*
+  This file is part of challenge-bot.
+
+  Challenge-bot is free software: you can redistribute it and/or modify
+  it under the terms of the GNU Affero General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  GNU Affero Emacs is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU Affero General Public License for more details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with challenge-bot.  If not, see <http://www.gnu.org/licenses/>.
+*/