Sci Fi Walls

After playing with these walls for a bit I've modified the design a little. You can find v2 here https://www.thingiverse.com/thing:2477128
They're the same scale, just a little more modular for the sake of future development.

My sons and I have really enjoyed the 15mm scale models created by dutchmogul and we wanted some modular walls, in the same scale, that we could use to make things more fun.
https://www.thingiverse.com/dutchmogul/collections/15mm-scale-miniature-gaming

The walls with the stands are 35mm tall, matching the height of dutchmogul's models. They're 1, 2 and 3 segments long, with each segment being 20mm long. This makes the wall segments 20x35, 40x35 and 60x45. The walls are actually 34mm tall and the stand adds 1mm height. The stands should clip on and hold just fine or you can glue them.

This is my first attempt at creating my own models for 3D printing so please give me feedback on how I might improve these. This is just the beginning and I plan on makin