http://shopping.netsuite.com/s.nl/c.635262/it.A/id.528/.fYeah, I know... This wasn't really a professional service though it was at his school + he said they said it barely paid for materials.
I also don't think he was talking about the cost of the printer, utilities etc... He was solely talking about the abs. Of course, from a professional stand point you have to take those into account for charging for your service but I think we were assuming just the cost of raw material in this context.
Plus, most places have a local hackerspace you can go to and use their printer free of charge, though they may ask you to bring your own filament or make a donation to help buy what you use.
Stratasys is reeeeeeally proud of their products. Also, physical DRM, these things have a little chip in 'em.