I have been trying to make "lightening holes" for a Beech 18 wingtip bulkhead. It is basically a hole that is flanged on a 30 degree radius at 1/4 inch.
I have have had very little success trying to replicate this with the Sheet Metal Punch Tool (Round Emboss) but the iFeatures will not allow me to enter a value for the angle, diameter, and height.
Material : 6061 Aluminum
Thickness : .020
Solved! Go to Solution.
The zip file is the punch, unzip it and test.
You can unzip wherever you want, but you can place in here: