Here are a few renders of individual tiles. Not sure I got them entirely right. Let me know if you can make use of them like that. Could also make the 3d models available if you would have an easier time with those. Thats how I build those little example rooms anyway.

floor_plain.pngWall_Corner_Inner.pngWall_Corner_Outer.pngwall_plain_x.pngwall_plain_y.png