The plugin installs a polymesh tool in the tool palette as shown below. If this tool is selected, then clicking and dragging in a view will create a polymesh object. The object created depends on the current tool settings. Thes settings can be changed through double clicking on the tool icon. The mesh shape can be a cube, a single face, an octahedron, a cylinder or a flat mesh. Depending on the mesh type, it is possible to specify a UxV number of vertices.
Simply select the mesh to convert before selecting the Object menu. Only spline and triangular meshes can be converted to polymeshes.
menu item in the