best tool for step/iges to stl conversion?

Question

I need code to my app that converts CAD files (mostly .step, .iges) into 3D surface models (.stl). Do you have a suggestion? Freely available stuff?

(One suggestion per posting)

Answer 1

Try BRL-CAD:

http://brlcad.org/

The documentation claims it can import STEP/IGES:

http://brlcad.org/wiki/Documentation