The app allows for free downloads of any 3D model. We've printed these models out with minimal work using Netfabb and Makerware.

http://www.trnio.com/blog/2014/6/10/some-more-items-3d-print...

That's the only way that I feel like this program (and similar ones) would be useful at all... It needs to be able to output a file that can be imported into 3d modeling programs and 3d printer slicers.