fairphone-case: CaseBase_botflip: provide yn and $botflip (nfc)

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

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 6ed1fc4b2642fd7659519569990aee69cdb3c7c8..48f637c54ccc44c58bbf581b263fbb47cc02f2e0 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -225,10 +225,10 @@ module CaseBase_rhsflip(yn=[0,1]) {
   }
 }
 
-module CaseBase_botflip() {
-  for (bot=[0,1]) {
+module CaseBase_botflip(yn=[0,1]) {
+  for ($botflip=yn) {
     translate([0, -phone_height/2, 0])
-      mirror([0, bot, 0])
+      mirror([0, $botflip, 0])
       translate([0, phone_height/2, 0])
       children();
   }