SciFi Cube Object No 59946 Low Poly Shape Low-poly 3D model is available on CGTrader for $7. Original author: 3dmodelbase.
STL (Stereolithography, filesize: 1.54 MB), OBJ (OBJ, filesize: 3.14 MB), C4D (Cinema 4D, filesize: 1.46 MB), FBX (Autodesk FBX, filesize: 10 MB), 3DS (3D Studio, filesize: 810 KB)