You could do it yourself....
Save as a STEP file,.. open in another free/trial 3D tool and convert to IGES
FreeCad - http://www.freecadweb.org/
Moment of Inspiration (trial) - http://moi3d.com/
Cad Exchanger (trial)- http://www.cadexchanger.com/
Or, download Rhino3D (trial),.. it can open sldprt and export as IGES
or Fusion 360
both free to students