About this 3D model

this is a set of modular pathways based on a 26mm square, the pack comprises: A single square A row of six squares A corner section A 4x4 room Single row stairs Double row stairs Switchback stairs A short x4 arch A long x7 arch A single row bridge A Double row bridge A raised 4x6 room these are all unsupported, the flat pieces shouldn't require any, the arches will and the rest, well, you know your own printer better than I do. I left them without so you can add supports whatever way you like them.