fairphone-case: Button cover, fix a bug

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 15ac7fce9bc25025fec92d99c4b1b7a48cc7b243..68b27da8ae4a2816532a144b25fce530ce38237f 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -161,6 +161,8 @@ module ButtonPlan(l, deep, cut){
   G = T + [0,10];
 
   B0 = C + [0,-1] * button_cutout_depth;
+  B1 = B0 + [0,1] * epsilon;
+
   r0 = 0.5 * (T[1] - B0[1]);
   A = [  -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
   H = A + [0,-1] * delta;
@@ -183,7 +185,7 @@ module ButtonPlan(l, deep, cut){
       polygon([ E1,
                I1,
                H,
-               B0,
+               B1,
                G,
                F,
                D