Sorry, Michael, but you aska da impossible. An STL file is just a data
structure, not a program. Even if you were to package the file in an
encrypting program that kept it locked up until a certain date, asking
it to regurgitate the file would allow the file to be captured and saved
as an openly readable file.
-- oooOOO O O O o * * * * * * o ___ _________ _________ ________ _________ _________ ___==_ V_=_=_DW ===--- Don Wilde [don@PartsNow.com] [http://www.PartsNow.com ] /oo0000oo-oo--oo-ooo---ooo-ooo---ooo-ooo--ooo-ooo---ooo-ooo---ooo-oo--oo
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