X-Git-Url: http://challenge-bot.com/repos/?a=blobdiff_plain;f=3d-printables%2Fwheel-data.scad;h=70dc71039d081f537db10ccc54f10b20bcce0a10;hb=dad0fdb28c89f7db2872178655f30f281c6f9d13;hp=3809fa0ba924341e4a56e7c6f87118c39fad5da4;hpb=3d0dc05fbb1b2d029ffc78b4463290a2bf3ed2df;p=challenge-bot

diff --git a/3d-printables/wheel-data.scad b/3d-printables/wheel-data.scad
index 3809fa0..70dc710 100644
--- a/3d-printables/wheel-data.scad
+++ b/3d-printables/wheel-data.scad
@@ -1,8 +1,11 @@
+/*
+  Copyright (C) 2015 Daniel Watson
+  See the end of the file for license conditions.
+*/
 // challenge-bot
 // GNU AGPLv3 (or later at your option)
-// project available at these locations:
-// https://gitorious.org/ozzloy/challenge-bot
-// https://github.com/waynegramlich/challenge-bot
+// project available here:
+// https://challenge-bot.com/
 
 // use $fn = 20 while developing, 100 when about to print
 //  20 will make previews fast
@@ -14,11 +17,12 @@ wheel_square_spoke_thickness = 2;
 
 wall_width = 3;
 
-wheel_width = 9;
-wheel_radius = sqrt(2 * pow(wheel_square_spoke_size / 2, 2)) + wall_width / 2;
+wheel_width = 7;
+wheel_radius =
+  sqrt(2 * pow(wheel_square_spoke_size / 2, 2)) + wall_width / 2 + 1;
 
-motor_shaft_radius = 3.7;
-motor_shaft_flat_width = 4.8;
+motor_shaft_radius = 3.9;
+motor_shaft_flat_width = 5.2;
 
 tread_radius = 4 / 2;
 
@@ -63,16 +67,39 @@ module wheel(radius,
              shaft_flat_width,
              wall_width,
              tread_radius) {
+  spoke_count = 7;
+  spoke_width = radius / 3;
   difference() {
     rim(radius, wall_width * 2, width);
     translate([0, 0, width / 2]) {
       tread(radius, tread_radius); } }
   linear_extrude(height = wheel_square_spoke_thickness) {
     difference() {
-      square(wheel_square_spoke_size, center = true);
+      union(){
+        for(spoke = [0: spoke_count - 1]) {
+          rotate(spoke * 360 / spoke_count) {
+            translate([-spoke_width / 2, 0]){
+            square([spoke_width, radius - 2]); } } } }
       mounting_screw_flat(); } }
   translate([0, 0, wheel_square_spoke_thickness]) {
     motor_shaft_holder(shaft_radius,
                        shaft_flat_width,
                        wall_width,
                        width - wheel_square_spoke_thickness); } }
+
+/*
+  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/>.
+*/