+/*
+ 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 <oshw.scad>
+include <caster-standoff-data.scad>
-// use 10 ish for development, 60 or so for printing
-$fn = 60;
-
-/* measured with calipers */
-ball_diameter = 11 + 1.0; // extra bit added for printing imprecision
-ball_radius = ball_diameter / 2;
-
-standoff_height = 60; // kyle eyeballed
-
-gap = 3;
-wall_thickness = 1;
-holder_floor = 3;
-holder_arms_length = 20;
-holder_height =
- holder_floor + holder_arms_length + (11 / 16) * ball_diameter;
-
-holder_radius = ball_radius + wall_thickness;
-holder_diameter = holder_radius * 2;
-
-standoff_radius = holder_radius; // 0.580 / 2 inches from spec sheet
-standoff_lower_portion_height = standoff_height - holder_height;
-
-// eyeballed caster flange height, (0.580/5) inches, times 2 to be stronger
-caster_flange_height = 5;
-caster_flange_width = 20.32; // 0.800 inches
-caster_flange_screw_radius = 2.286 / 2; // 0.090 inches
-caster_flange_screw_length = 8; // eyeballed
-
-deck_pitch = 25.4; // measured center to center on grid on pegboard
-deck_flange_height = 2.9464;
-deck_flange_screw_radius = 3.556 / 2; // For #6 machine screws
-deck_flange_radius = (deck_pitch) / 2 + deck_flange_screw_radius + 3;
-
-module deck_flange(){
- deck_pitch_diagonal = sqrt(2 * pow(deck_pitch, 2));
- difference(){
- scale([0.35, 0.35, 1]){
- linear_extrude(height = deck_flange_height){
- oshw();}}
- for(ii = [-1, 1]){
- translate([deck_pitch_diagonal / 2 * ii, 0, -.1])
- cylinder(h = deck_flange_height * 1.1,
- r = deck_flange_screw_radius);}
- translate([0, deck_pitch_diagonal / 2, -.1])
- cylinder(h = deck_flange_height * 1.1,
- r = deck_flange_screw_radius);}}
+caster_standoff();
-module deck_flange_reinforcement(){
- translate([-deck_flange_radius,
- -.5 * deck_flange_height / 2,
- deck_flange_height]){
- difference (){
- cube([deck_flange_radius, deck_flange_height / 2, deck_flange_radius]);
- translate([-.1, -.05 * deck_flange_height, 0]){
- rotate([0, -45, 0]){
- cube([deck_flange_radius * 1.5, // 1.5 is bigger than sqrt(2)
- deck_flange_height * 1.1, // 1.1 is bigger than 1
- deck_flange_radius]);}}}}}
+/*
+ This file is part of challenge-bot.
-module ball_holder(){
- difference (){
- union(){
- cylinder(r = holder_radius, h = holder_height);
- translate([0, 0, holder_arms_length]){
- cylinder(r1 = holder_radius,
- r2 = holder_radius + wall_thickness,
- h = wall_thickness);
- translate([0, 0, wall_thickness]){
- cylinder(r = wall_thickness + holder_radius,
- h = holder_height
- - holder_arms_length
- - wall_thickness); }}}
- translate([0, 0, ball_radius + holder_floor + holder_arms_length]){
- sphere(r = ball_radius);}
- translate([0, 0, holder_floor + (holder_height - holder_floor) / 2 + 0.5]){
- cube([holder_diameter + wall_thickness * 2 + 0.1,
- gap,
- holder_height - holder_floor + 0.1],
- center = true);}}}
+ 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.
-module caster_standoff(){
- cylinder(h = standoff_lower_portion_height,
- r = standoff_radius);
- deck_flange();
- for(ii = [0:3]){
- rotate([0, 0, 45 + 90 * ii])
- deck_flange_reinforcement();}
- translate([0, 0, standoff_lower_portion_height]){
- ball_holder();}}
+ 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.
-caster_standoff();
+ 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/>.
+*/