I'm confused. If they are sheet metal parts, how can they be surface bodies only?
You can't use Cut with Surface in an assembly (at least, not in SW2010, which I am running), but you can edit the part in context of the assembly and use Cut with Surface.
Another approach would be to edit the part in context of the assembly and then manually build your sketch for a normal cut. If you want to do a lot of different variations this is probably not a good idea, but it will be easy to do for a one off.
Hi Jerry, thanks for your reply!
I was thinking they are not solid bodies, because there is no Solid Bodies folder in the design tree anywhere in the Part or Assembly.
Also, all the feature commands that I was hoping to use are not available: Indent, Cut with Surface, Thickened Cut, Intersect, Combine, or Join (although it makes sense that they are not available while in Assembly mode).
I have seen examples where a part was used to cut another part in an assembly, but not one assembly used for cutting another as I was hoping to do.
If I convert the main assembly to a part, can I use that as an object to be cut by another inserted part?
I saw an Feature/Indent example of that procedure that would be perfect, just haven't been able to do that here.
And how do I get the Bodies Folder to show? I have it selected as "Show" in Options/FeatureManager, but no go for these parts.
The most likely explanation for no solid bodies folder is that you don't have any solid bodies. That would also explain why you can't perform a lot of the operations that you would expect, since they only work on solid bodies.
Did you go part way through the process of making your sheet metal parts, making the surface bodies, but never thickening them to get solids?
I was able to use your suggestion of editing in context, and that released those greyed out Feature operations.
Did a couple test cuts, and it looks promising!