A friend who works with Autodesk recently shared this free download for a program I have yet to explore, dealing with creating 3D models.
Here is the link: http://www.123dapp.com/meshmixer or click on the image below if you are interested in this type of thing, and at the top of the page (see the screenshot), there are additional programs that are either free or very inexpensive.
Enjoy!
beatrixszucs 