raise foot in addition to surrounding it

diff --git a/foot-riser-data.scad b/foot-riser-data.scad
index 590b1f057a3a752ea83574b9f41c8bdbbc4c5993..a23b06a97027bf56297a3b680fc982258480a130 100644 (file)
--- a/foot-riser-data.scad
+++ b/foot-riser-data.scad
@@ -17,8 +17,13 @@ module ring_2d(inner_radius, outer_radius) {
     circle(inner_radius); } }
 
 module foot_riser(foot_radius, extra_height) {
+  foot_surround_height = 50;
   outer_radius = foot_radius + wall_thickness;
-  linear_extrude(height = 200) {
+  // raise the foot
+  linear_extrude(height = extra_height) {
+    circle(foot_radius); }
+  // surround the foot so it stays on riser
+  linear_extrude(height = extra_height + foot_surround_height) {
     ring_2d(foot_radius, outer_radius); } }
 
 /*