"Leonardo Zide" <leonardo@centroin.com.br> wrote in message news:3A40E2B8.E52386....com.br... (...) has (...) part (...) Some of the errors in past instructions simply could not have been created by a 3D CAD program, unless there was post-process (...) (24 years ago, 20-Dec-00, to lugnet.cad)