3 answers

• 
  ALI about 1 year ago

  try this:
  http://code.google.com/p/heekscad/downloads/list

  or this
  http://brlcad.org/d/download

• 
  Stephen about 1 year ago

  Don't know about a stand alone app, but the MAC version of MoI (beta, www.moi3d.com) can import STEP/IGES and export to STL

• 
  Tomek F. about 1 year ago

  see something like that element, but I'm not sure
  can you come up a different format
  AccuTrans
  http://www.micromouse.ca/

  1. 
     Hardi Meybaum about 1 year ago

     THank you Tomek, but this does not support Mac