Modular circular tower 4×4 – base
Slab





Part 1 of 3 for a full modular experience. It might be a bit overwhelming at the start but should let you customize the tower a bit.
Parts with a red mark near them (only 3) require some manual work – after you assemble it how you like it you will have to remove a couple clipping props.
Here you can find the other two parts: