penny_thickness * 5 : _608zz_thickness;
bearing_radius = (bearing == "608zz") ? _608zz_radius : 1/0;
+bearing_window_radius = bearing_radius - bearing_lip_overhang - 1;
bearing_inner_radius = (bearing == "608zz") ? _608zz_inner_radius : 1/0;
bearing_cover_radius = (bearing == "608zz")
? _608zz_cover_radius
module cap(bearing_inner_radius,
bearing_cap_footprint_radius,
bearing_cover_radius,
- bearing_thickness) {
- footprint_height = 1.6;
- footprint_radius_safety = 0.25;
+ bearing_thickness,
+ bearing_window_radius) {
+ footprint_height = 4.5;
+ footprint_radius_safety = 0.2;
cap_height = 3;
- bearing_cover_radius_safety = 0.75;
- bearing_thickness_safety = 0.2;
+ bearing_thickness_safety = 0.6;
+ finger_spot_height = cap_height / 10;
difference() {
union() {
cylinder(r1 = bearing_cover_radius - tan(30) * cap_height,
r2 = bearing_cover_radius,
h = cap_height);
+ linear_extrude(height = cap_height
+ + footprint_height
+ - 1.05) {
+ circle(bearing_window_radius - 1); }
linear_extrude(height = cap_height + footprint_height) {
circle(bearing_cap_footprint_radius - footprint_radius_safety); }
linear_extrude(height = cap_height
+ footprint_height
+ bearing_thickness / 2
- bearing_thickness_safety) {
- circle(bearing_inner_radius); } }
+ circle(bearing_inner_radius); }
+ }
translate([0, 0, -0.01]) {
- cylinder(r1 = bearing_inner_radius + tan(30) * (cap_height - 1),
- r2 = bearing_inner_radius,
- h = cap_height - 1); } } }
+ cylinder(r1 = bearing_inner_radius,
+ r2 = bearing_inner_radius - tan(30) * finger_spot_height,
+ h = finger_spot_height); } } }
module donut(height, footprint_radius) {
bread_radius = height / 2;