The Industrial Terrain from GrimDark Terrain is compatible with 6-8 mm Epic Sci-Fi games. It fits perfectly into your terrain. Whether it's Warhammer Adeptus Titanicus or other sci-fi tabletop games, it's a great fit for many settings andthe Imperial Streets make your terrain even more impressive and realistic. We have a lot of models and options in the store, just have a look around.The large threshold (A) measures about 58x42x4mm and the small threshold (B) about 42x15x4mm.We also have many other terrain models and also Greebles/Bitz on offer.