$6 Triangle mast and sail 3D model by lca. Available on CGTrader with 5673 polys and 4718 vertices. Check it out on CGHub.
BLEND (Blender, filesize: 1.58 MB), OBJ (OBJ, filesize: 628 KB), FBX (Autodesk FBX, filesize: 497 KB), STL (Stereolithography, filesize: 461 KB), ABC (Alembic, filesize: 322 KB), DAE (Collada, filesize: 1.14 MB)