Creating Solids From Drawing

#1
Hi, just getting introduced to Intellicad, and I'm running into workflow issues I can't find documentation on. I'm trying to model a cut and bent sheet and while the 2D drawing panel seems straightforward enough, I've hit a wall translating that into a 3D solid. With some fiddling I found I can get the drawing to convert into a region (which renders correctly but I guess is a distinct kind of thing from a face - can't edit it using an of those tools)
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But when I go to extrude it I only get the edges of the extrusion, no front or back face, and can't edit those using the Solid Editing tools either. It seems like the only things I can actually meaningfully edit in the 3D space are primitives created there, without recourse to the normal CAD tools. What am I missing here?
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