diff --git a/CFTubes/ABS.scad b/CFTubes/ABS.scad
index a07783b..057767f 100644
--- a/CFTubes/ABS.scad
+++ b/CFTubes/ABS.scad
@@ -1,2 +1,2 @@
-CF_Square_Width_tolerance = 0.36;  // Add to CF_Square_Width when making holes
+CF_Square_Width_tolerance = 0.4;  // Add to CF_Square_Width when making holes
 CF_Tube_OD_tolerance = 0.5;