Check out SciFi Cube Object No 15832 Low Poly Shape Texture 3D model on CGTrader for $7. High-quality mesh by 3dmodelbase.
STL (Stereolithography, filesize: 2.97 MB), OBJ (OBJ, filesize: 6.13 MB), C4D (Cinema 4D, filesize: 2.48 MB), 3DS (3D Studio, filesize: 1.51 MB), FBX (Autodesk FBX, filesize: 10.8 MB)