Using a base mesh is one of the best things to do to speed things up . This pack includes 10 samurai helmet object that are available as a quad mesh.
Info about this products :
no uv no texture
MAX (Autodesk 3ds Max, filesize: 1.28 MB), OBJ (OBJ, filesize: 2.25 MB), FBX (Autodesk FBX, filesize: 3.65 MB)