arri Guest Jan 24, 2008 #1 http://www.costruzioni.net/cr/freesoftware/cad/cascone/parabola.zip http://www.costruzioni.net/cr/freesoftware/cad/cad.htm
http://www.costruzioni.net/cr/freesoftware/cad/cascone/parabola.zip http://www.costruzioni.net/cr/freesoftware/cad/cad.htm