(issue is SOLVED!)      I followed previous threads to model the screened in patio for my Grand daughter.  The patio, columns and Roof are already existing. She wanted me to model what it would look like screened in before I actually finish it.  My challenge (I have searched the forum and did find screened porch, cotton screen porch, and even one that I had responded to) but none address my particular challenge.  I need to be able to build my walls between the existing columns sin