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Converting to Sheet Metal Part
I have a model that I am looking to transfer over from Fusion to Onshape. In general I like the CAD workflow far better over here. I am running into a couple problems with some of the parts though. Specifically ones designed to be made out of sheet metal. In this example I am trying to import a simple bracket that is designed to go between two parts and has a few countersunk holes in it. In Fusion I would be able to convert this bracket to a sheet metal part that can then be unfolded to create a drawing of the pre-bent part.
However now matter what I seem to do I am unable to get this part to convert. I have tried with and without bend radiuses, multiple settings, ect. One thing I have noticed is that the holes are often highlighted in red. Am I unable to convert a part to sheet metal if it already has holes in it? I am trying to avoid having to redesign all sheet metal parts in my design during the transfer.
Any help is appriciated!

Comments
I find that Sheet Metal Model Plus does a better job.
Try @Matt_Shields suggestion but the countersunk holes are likely causing the issue. I would delete the faces of the countersink first, maybe even the hole (maybe create a measured variable or ref. geometry first to be able to add them back as a "native" hole feature)
EDIT:
It does require a bit of cleanup:
https://cad.onshape.com/documents/aae3665b64d97ef42b95968a/w/c2c8212e3451d095edfad333/e/2daef5e28bcef8f8f7d80a92
I couldn't quite get it to work without removing the chamfers as suggested @eric_pesty but I will look into this for the rest of my parts.
The workflow @eric_pesty showed works well. It's a little bit of cleanup as he said but will at least enable me to not completely rebuild the parts. And may work just fine for the parts that don't have countersunk holes.
Thank you!