etc: increase hole size for button cell holder

1.2mm was slightly too small to print clean holes with a 0.5mm nozzle,
1.5mm is still tight and prints much cleaner.

diff --git a/etc/button-cell-holder.scad b/etc/button-cell-holder.scad
index 3597aec..636d1dd 100644 (file)
--- a/etc/button-cell-holder.scad
+++ b/etc/button-cell-holder.scad
@@ -9,7 +9,7 @@
 // Defaults have no tolerance, should be printed using flexible
 // filament for a snug fit
 
-module holder (battery_d = 20, battery_h = 3.2, case_wall = 1.7, slot_undersize = 0.4, wire_d = 1.2, cover_pct = 0.4) {
+module holder (battery_d = 20, battery_h = 3.2, case_wall = 1.7, slot_undersize = 0.4, wire_d = 1.5, cover_pct = 0.4) {
      battery_h = battery_h - slot_undersize;
 
      case_d = battery_d + case_wall*2;