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make cap fit new spinner shape
author
daniel watson
<ozzloy@gmail.com>
Tue, 28 Feb 2017 02:59:44 +0000
(18:59 -0800)
committer
daniel watson
<ozzloy@gmail.com>
Tue, 28 Feb 2017 02:59:44 +0000
(18:59 -0800)
spin-data.scad
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diff --git
a/spin-data.scad
b/spin-data.scad
index 24214f1499e475ce74688b24cc4f44d3bd2714fc..46c2f80fc39dcb6adc62296cae8958ad29f09096 100644
(file)
--- a/
spin-data.scad
+++ b/
spin-data.scad
@@
-26,6
+26,7
@@
weight_thickness = (weight == "penny") ?
penny_thickness * 5 : _608zz_thickness;
bearing_radius = (bearing == "608zz") ? _608zz_radius : 1/0;
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
bearing_inner_radius = (bearing == "608zz") ? _608zz_inner_radius : 1/0;
bearing_cover_radius = (bearing == "608zz")
? _608zz_cover_radius
@@
-40,29
+41,35
@@
arms = 3;
module cap(bearing_inner_radius,
bearing_cap_footprint_radius,
bearing_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;
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);
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) {
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]) {
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;
module donut(height, footprint_radius) {
bread_radius = height / 2;