separate data into *-data.scad for 3d models

[challenge-bot] / 3d-printables / caster-standoff.scad

diff --git a/3d-printables/caster-standoff.scad b/3d-printables/caster-standoff.scad
index 994417ab696851c023f92403022a38d33259d2b4..71ce35229cbf0db2def49db642d24fc8670d206e 100644 (file)
--- a/3d-printables/caster-standoff.scad
+++ b/3d-printables/caster-standoff.scad
@@ -4,77 +4,6 @@
 // https://gitorious.org/ozzloy/challenge-bot
 // https://github.com/waynegramlich/challenge-bot
 
-// use 10 ish for development, 60 or so for printing
-$fn = 60;
+include <caster-standoff-data.scad>
 
-/* measured with calipers */
-ball_diameter = 12.7 + 0.75; // extra bit added for printing imprecision
-ball_radius = ball_diameter / 2;
-
-wall_thickness = 1;
-holder_floor = 3;
-holder_arms_length = 10;
-holder_height = holder_floor + holder_arms_length + (25 / 32) * 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_height = 48; // eyeballed
-
-// 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;
-  difference (){
-    cylinder(r = holder_radius, h = holder_height);
-    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 + 0.1, gap, holder_height - holder_floor + 0.1],
-           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();
+caster_standoff();