This is why you will often find that people will create a very small flat section using a boss extrude to create a flat section at the end.
Convert boss extrude to sheet metal.
Extrude boss base feature is mainly located in features command manager or insert menu.
You will notice you now have a cut list folder sheet metal folder and convert solid feature.
For more information about solid.
To convert a solid part to a sheet metal part.
Extrude the cut through all.
Click convert to sheet metal sheet metal toolbar or insert sheet metal convert to sheet metal.
Convert the part to sheet metal by clicking insert bends or insert sheet metal bends.
No the edge of your sheet metal part doesn t count.
Using the extrude boss feature you create 3d models like block cube cylinder 3d polygon 3d elliptical shapes etc.
Click the check mark at the top of the convert to sheet metal property manager.
This video shows the difference between creating a sheet metal part from scratch and converting a solid part to sheet metal.
Right clicking on the sheet metal folder allows you to change the gauge default bend radius bend allowance and corner reliefs.
If you want to make a cut across a bend drag the rollback bar before the process bends feature in the featuremanager design tree.
That means if you have closed contour sketch drawing then you can add materials to that contour and convert it into 3d model.
It may have been difficult to see in the video but if you are dead set on using the convert to sheet metal command you need to have a planar flat face.