Cut hole for right air vent. Cut all remaining anti-rotation holes for switches and rheostats. Cut hole for fuel auto-fill switch. Discovered interferrence between RadioRax bottom of left side support and autopilot. Cut 3/4 inch off bottom of left RadioRax support to solve interferrence problem. Made guard for fuel sight gauge by cutting one side off a 3/4" square tube. Attached guard with 4 #6 counter sunk machine screws. Installed panel in cockpit to check for clearances, especially right air vent. Clearance OK.