Check out SciFi Cube Object No 24141 Low Poly Shape Texture 3D model on CGTrader for $6. High-quality mesh by 3dmodelbase.
STL (Stereolithography, filesize: 1.39 MB), OBJ (OBJ, filesize: 2.82 MB), C4D (Cinema 4D, filesize: 1.35 MB), 3DS (3D Studio, filesize: 732 KB), FBX (Autodesk FBX, filesize: 9.93 MB)