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.
Ultimate Kids Guide to 3D Printing. Easy and informative kid-friendly guide which covers all the basics of 3D printing.
Free education, license products for 3D design, provided to students and educators for free.
A great resource for Elementary School students. It provides full text articles from 57 children's magazines and 100 children's pamphlets.
Built upon the 123 Make technology, Slicer for Fusion 360 is a free tool to slice and convert 3D models into 2D patterns that can be cut flat. To help build a model, Slicer for Fusion 360 also creates 3D instructions you can interact with.
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.