SciFi Cube Object No 22789 Low Poly Shape Texture 3D model is available on CGTrader for $6. Original author: 3dmodelbase.
STL (Stereolithography, filesize: 1.94 MB), OBJ (OBJ, filesize: 3.98 MB), 3DS (3D Studio, filesize: 1020 KB), C4D (Cinema 4D, filesize: 1.74 MB), FBX (Autodesk FBX, filesize: 10.2 MB)