Check out SciFi Cube Object No 62828 Low Poly Shape Low-poly 3D model on CGTrader for $4. High-quality mesh by 3dmodelbase.
STL (Stereolithography, filesize: 2.08 MB), OBJ (OBJ, filesize: 4.29 MB), C4D (Cinema 4D, filesize: 1.85 MB), 3DS (3D Studio, filesize: 1.07 MB), FBX (Autodesk FBX, filesize: 10.3 MB)