mainwall_th = 3.0;
smallwall_th = 2.0;
-seal_th = 0.3 + 0.6 + 0.6; // total gap for seal etc.
+seal_th = 0.3 + 0.6 + 0.6 - 0.4 - 0.4 + 0.2; // total gap for seal etc.
behind_recess = 1.5;
recess_gap_end = 0.4;
handle_len = 5;
// for testing:
-//battery_len = 3;
+battery_len = 3;
//battery_wdth = 15;
//battery_base_indent_fromside_inside = 6;