This is a modular tower which is part of my Necromunda terrain collection. The original was designed to be cut in 4mm material and the files have been converted to 3mm. Pictures are of the 4mm version.
The files let you make a level 1 medium tower. For one complete tower print 4 supports and one floor plate. The supports and floor plates are interchangeable with the other sets in the same series, so you can mix and match as you like.
For assembling the supports, glue the vertical sides together first, then add the bottom and top plates. For the floor plates, start with one U-shaped piece and work your way around shape. It's important that you attach everything before the glue sets, or you will have trouble fitting the last piece.
Dimensions are roughly 21x17x12 cm (XYZ)
Black = cut
Red = engrave