That's an simle, a bit ugly but useful remix of kill team Manifactorum terrain. Now it has only 2 & 3 floors (2 floors) and the 3rd is extended to be able to hold much more models. I'll use it as an caver for flying units and ones with flesh hooks.
Free STL file WH40k tournament terrain pack - WTC Sized 🎲・3D printable model to download・Cults
Welcome to TouchTerrain, the free web app for creating 3D printable terrain models!
warhammer 40k terrain 3D Models to Print - yeggi
Free STL file 40k terrain: 2 floors with extended roof 👽・3D print design to download・Cults
3D Printable STL Terrain Files – Project Radium
3D Printable Ground Terrain STL Files 6 X 6 Tiles Modular Battlefield Ground Pack
Corvus Games 3D Wargaming Terrain Digital STL Files – Tagged tiles– Corvus Games Terrain
United Frontier - 3D printable Sci-Fi Terrain by War Scenery — Kickstarter
warhammer 40k terrain 3D Models to Print - yeggi
3D Printable STL Terrain Files – Project Radium
Free STL file Stackable Underhive 3D terrain 🎲・3D print design to download・Cults
warhammer 40k terrain 3D Models to Print - yeggi
Warhammer 40K - Wargaming Terrain - City Ruins - Large Building - Two Storey
Warhammer 40K - Wargaming Terrain - City Ruins - Large Building - Two Storey
Download 47 3D models from 40K - Terrain listed by VaL1cE • 3D printer files collection • Designs in STL, OBJ, 3MF…・Cults