On Fri, February 16, 2007 17:45, Glynn Clements wrote: > > Realistically, I think that a 2D CAD package would be more likely to > be suitable, but I don't know of any free ones. http://www.qcad.org/qcad.html (see http://www.qcad.org/qcad_doc_faq.html#36 ff for licensing) http://www.pythoncad.org/ Moritz