53 low poly modular sci-fi base pieces for game devs and level designers. Everything snaps on a 2 m grid. Corridors (2 x 2 x 3 m): straight, window, corner, T, cross, end cap, sliding door, airlock. Wall panels (2 x 3 m): plain, window, screen, vent, doorway, corner post. Deck tiles (2 x 2 m): plain, hazard, light, vent, ramp, stairs. Hubs: 6 m and 10 m domes, 4 x 4 m habitat/lab rooms, observation bubble, 6 m elevator shaft, dome cap, solar roof panels, stair tower, antenna. Interior: console, chair, racks, lockers, bunk, table, stool, hydroponics, medical pod, vending, crates. Utilities: pipes, tanks, solar stands, light masts, railings, landing pad tiles. Corridors tile seamlessly, both wall faces finished, origins documented in README. 64832 triangles, quads only, real scale, one material per piece, flat-colour textures packed, emissive lights, see-through glass. Demo base scene included. FBX, OBJ, GLB, STL, BLEND.