$70 Scanned Construction Debris Pack Low-poly 3D model by kanistrastudio. Available on CGTrader with 40000 polys and 40000 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 1.23 GB), FBX (Autodesk FBX, filesize: 1.23 GB), MAX (Autodesk 3ds Max, filesize: 1.23 GB)