-// 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_grid_width = 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_grid_width) / 2 + deck_flange_screw_radius + 3;
-
-module deck_flange(){
- difference(){
- cylinder(h = deck_flange_height, r = deck_flange_radius);
- for(ii = [-1, 1]){
- translate([deck_grid_width / 2 * ii, 0, -.1])
- cylinder(h = deck_flange_height * 1.1,
- r = deck_flange_screw_radius);
- translate([0, deck_grid_width / 2 * ii, -.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(){
- gap = wall_thickness * 4;
- floor = wall_thickness;
- difference (){
- cylinder(r = holder_radius, h = holder_height + floor);
- translate([0, 0, ball_radius + wall_thickness + floor]){
- sphere(r = ball_radius);}
- translate([0, 0, holder_height / 2 + wall_thickness + floor]){
- cube([holder_diameter + 0.1, gap, holder_height],
- center = true);}}}
-
-module caster_standoff(){
- cylinder(h = standoff_height,
- r = standoff_radius);
- deck_flange();
- for(ii = [0:3]){
- rotate([0, 0, 45 + 90 * ii])
- deck_flange_reinforcement();}
- translate([0, 0, standoff_height]){
- ball_holder();}}
-
-//caster_standoff();
-ball_holder();