Check out SciFi Cube Object No 27789 Low Poly Shape Texture 3D model on CGTrader for $6. High-quality mesh by 3dmodelbase.
STL (Stereolithography, filesize: 1.68 MB), OBJ (OBJ, filesize: 3.44 MB), C4D (Cinema 4D, filesize: 1.56 MB), 3DS (3D Studio, filesize: 886 KB), FBX (Autodesk FBX, filesize: 10.1 MB)