To create a polysolid from an existing object
To convert objects with thickness to extruded solids
To convert one or more surfaces to solids
To convert contiguous surfaces that enclose a volume to a 3D solid object
To convert a mesh object to a 3D solid
To convert one or more objects to surfaces
To create a planar surface from an existing object
To convert a mesh object to a surface object
To create a planar surface by specifying the corners of the surface