$24 Helipad circular metal plate Low-poly 3D model by andrewhite. Available on CGTrader with 263 polys and 340 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 69.4 MB), FBX (Autodesk FBX, filesize: 34.7 MB), MAX (Autodesk 3ds Max, filesize: 17.4 MB)