3D

Founded in September 2011, 3ders.org is a global news organization dedicated to providing the latest news, trends and analysis in the 3D printing industry.
The Autodesk 123D community is a place to design, create and share anything. No matter your technical skills and experience, you will always have a place to get the latest tools and information to support your adventures in 3D printing.
A great resource for Elementary School students. It provides full text articles from 57 children's magazines and 100 children's pamphlets.
Tinkercad is an easy, browser-based 3D design and modeling tool for all. Tinkercad is also your perfect 3d printing companion – it allows you to imagine anything, and then design it in minutes! Tinkercad is part of the 123D family of free apps.