http://brlcad.org/
The BRL-CAD package is a powerful Constructive Solid Geometry (CSG)
http://www.tech.oru.se/cad/varkon/
What about Varkon? If BRL-CAD is used by the US military, then Varkon
is used by SAAB, the Swedish automobile and aircraft maker.
Excerpts from the Varkon site:
"VARKON can be used as a traditional CAD-system with drafting,
modelling and visualization if you want to but the real power of
VARKON is in parametric modelling and CAD applications development.
VARKON includes interactive parametric modelling in 2D or 3D but also
the unique MBS programming language integrated in the graphical
environment."
"VARKON has been available for more than 15 years and the number of
users are steadily increasing with systems installed in many Europeean
countries as well as the USA. Customers range from big companies like
SAAB Aircraft to very small companies with only a few employees. There
is also an increasing number of users all over the world running the
free version of VARKON for UNIX and GNU/Linux.
VARKON is written in ANSI portable C and has been compiled and
successfully executed on many different platforms. The UNIX version
has a user interface based on X-Windows and the PC version uses
Microsoft WIN32. Currently there are VARKON systems running on
workstations from HP, SUN, IBM and SiliconGraphics and also systems on
VAX's with VMS or Intel PC's with SCO/UNIX, GNU/Linux or
Windows95/98/NT. There is even a customer running Varkon on a Cray
T3E supercomputer with 256 300Mhz 64 bit Alpha processors !
VARKON is not expensive. The UNIX version is distributed in sourcecode
under the GNU/GPL license. There is also a prebuilt binary version for
GNU/Linux free of charge. The current price for a Windows95/NT license
is 875 USD. Support is available for all platforms including
GNU/Linux. "
Regards,
Debarshi
--
After the game the king and the pawn go into the same box.
-- Italian proverb
--
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