Free Nuclear Reactor Bomb Chamber Free low-poly 3D model by ninjajd. Available on CGTrader. Geometry: Polygon mesh. Check it out on CGHub.
STL (Stereolithography, filesize: 211 KB), OBJ (OBJ, filesize: 307 KB), BLEND (Blender, filesize: 186 MB), FBX (Autodesk FBX, filesize: 154 KB)