stratasys Demo give away part. If you go to this website:
http://www.stratasys.com/Flex-Items/Home/Items/Sample-Part-Request.aspx
You can get your own free sample. With the sample, you could compare your print to the commercial machine.
-----------------Update---------------------------
* Solidworks 2011 & Step Files Added ;-) ***
| Twisted_bottle_Bottom.SLDPRT | 740.0KB | |
| Twisted_bottle_Bottom.STEP | 984.0KB | |
| Twisted_Bottle_mm.stl | 1.6MB | |
| Twisted_Bottle_REPRAP_FTW_.stl | 1.6MB | |
| Twisted_bottle_top.SLDPRT | 339.0KB | |
| Twisted_bottle_top.STEP | 245.9KB |
