diff --git a/util.scad b/util.scad
index d8dcf7a..00498cf 100644
--- a/util.scad
+++ b/util.scad
@@ -2,15 +2,15 @@
 
 $fn=64;
 
-pcb_width = 139.7;
-pcb_depth = 82.55;
+pcb_width = 139.7+1;
+pcb_depth = 82.55+1;
 pcb_radius = 3.175;
 pcb_thickness = 1.6;
 
 plate_thickness = 1.5;
 
 case_thickness = 5;
-case_bottom_thickness = 5;
+case_bottom_thickness = 5;  // TODO: doesn't respect height of PCB plus switches etc
 case_height = 10;
 upper_case_height = 5;