Looking for Rectangle mast? Get this 3D model from lca via CGTrader for $6. Technical specs: 10149 polygons, 10194 vertices.
BLEND (Blender, filesize: 2.27 MB), OBJ (OBJ, filesize: 1.34 MB), FBX (Autodesk FBX, filesize: 775 KB), ABC (Alembic, filesize: 444 KB), DAE (Collada, filesize: 2.46 MB), STL (Stereolithography, filesize: 998 KB)