print caster on materia 101

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

diff --git a/3d-printables/caster-standoff-data.scad b/3d-printables/caster-standoff-data.scad
index 803fb6049952e599f54d27785de5999fd51142ff..e32b27a96181ae2670398adfa970c29d22a71cf4 100644 (file)
--- a/3d-printables/caster-standoff-data.scad
+++ b/3d-printables/caster-standoff-data.scad
@@ -13,7 +13,7 @@ use <oshw.scad>
 $fn = 60;
 
 /* measured with calipers */
-ball_diameter = 11 + 0.75; // extra bit added for printing imprecision
+ball_diameter = 11 + 1.15; // extra bit added for printing imprecision
 ball_radius = ball_diameter / 2;
 
 standoff_height = 60; // kyle eyeballed
@@ -37,13 +37,14 @@ caster_flange_width = 20.32;  // 0.800 inches
 
 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_screw_radius = 3.556 / 2 + 0.4;  // 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));
+  cylinder(h = deck_flange_height, r = holder_radius + 2);
   difference() {
-    scale([0.35, 0.35, 1]) {
+    scale([0.40, 0.40, 1]) {
       linear_extrude(height = deck_flange_height) {
         oshw(); } }
     for (ii = [-1, 1]) {