Some pictures of the current versions of the 4000 series baldies:
Again, the plain is to have the baldies done in a couple of different styles - as delivered, modernized, etc. The 3D models are about 95% done, I've just got to work out some door control details.
As for the Met L structure, I've finished the cross girder and column drawings:
The plan with the Met L structure is to have masters printed, then make molds and cast all the structure out of resin to speed constructions. The girders will be scratchbuilt from styrene and also cast. Those are too large to print.
I've also posted an update video of Youtube, which shows my first test print samples for the 4000's and Met L columns: