Layed out the oil door. The plans say to cut it minimum 4.5" x 5: so I made it 5x5. (Post comment - wish I'd made it much bigger) Since I got a good job on the cut, I didn't have to rely on the spare layup I did before starting. The piece actually came in handy for making the flange behind the oil door. It was a perfect profile so all I had to do was glass it into the opening.
Marked the cut line on the cowl for the oil door
Flange for the oil door to sit in
Flange epoxied in place w/parchment paper to keep cleco clamps from sticking