SciFi Cube Object No 53758 Low Poly Shape Low-poly 3D model is available on CGTrader for $7. Original author: 3dmodelbase.
STL (Stereolithography, filesize: 788 KB), OBJ (OBJ, filesize: 1.51 MB), 3DS (3D Studio, filesize: 399 KB), C4D (Cinema 4D, filesize: 920 KB), FBX (Autodesk FBX, filesize: 9.6 MB)