// https://gitorious.org/ozzloy/challenge-bot
// https://github.com/waynegramlich/challenge-bot
-include <caster-standoff-dimensions.scad>
-use <oshw.scad>
-
-// use 10 ish for development, 60 or so for printing
-$fn = 60;
-
-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);}}
-
-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]);}}}}}
-
-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);}}}
-
-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();}}
+include <caster-standoff-data.scad>
caster_standoff();