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.
Convert boss extrude to sheet metal.
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.
For more information about solid.
Create the solid part.
No the edge of your sheet metal part doesn t count.
Extrude boss base feature is mainly located in features command manager or insert menu.
Click the check mark at the top of the convert to sheet metal property manager.
Sketch a closed profile across one of the bends.
The convert to sheet metal command lets you specify the thickness bends and rips necessary to convert a solid part to a sheet metal part.
That means if you have closed contour sketch drawing then you can add materials to that contour and convert it into 3d model.
If you want to make a cut across a bend drag the rollback bar before the process bends feature in the featuremanager design tree.
Click convert to sheet metal sheet metal toolbar or insert sheet metal convert to sheet metal.
You will notice you now have a cut list folder sheet metal folder and convert solid feature.
Right clicking on the sheet metal folder allows you to change the gauge default bend radius bend allowance and corner reliefs.
To convert a solid part to a sheet metal part.
Convert the part to sheet metal by clicking insert bends or insert sheet metal bends.