Why not try GOOGLE Sketchup it is FREE but sadly no version for LINUX<br>I am not a programmer but I imagine you could use most serious languages with a SDK <br>Linux has many SDK's for just about everything., usually tied to K Desktop or CAIRO <br>
<a href="http://www.redbrick.dcu.ie/%7Enoel/linux4chemistry/">Linux4Chemistry</a> might help<br><br>Good Luck<br>-- <br><a href="mailto:jamesmahon@breatheeasy-all.com">jamesmahon@breatheeasy-all.com</a>