$7 SciFi Cube Object No 61996 Low Poly Shape Low-poly 3D model by 3dmodelbase. Available on CGTrader. Check it out on CGHub.
STL (Stereolithography, filesize: 1.54 MB), OBJ (OBJ, filesize: 3.14 MB), C4D (Cinema 4D, filesize: 1.46 MB), 3DS (3D Studio, filesize: 813 KB), FBX (Autodesk FBX, filesize: 10 MB)