Then just do a standard Derived part.
1. Create a new part file, exit the sketch.
2. Derive the assembly into the new part file. See attached.
3. Save the part file, then do a Save Copy As STEP.
--
Dennis Jeffrey, Autodesk Inventor Certified Expert
Attend the "It's a Duesy II " Manufacturing Revival Conference
March 17th, 2010 More Information at:
http://teknigroup.com
Subscribe to the free "The Creative Inventor Magazine now available at:
htttp://teknigroup.com