Animating a 3D character from scratch is generally both laborious and expensive, requiring the use of complex software and motion capture tools. Cartwheel wants to make simple animations as easy as ...

Cody Wilson has a simple dream: To design the world’s first firearm that can be downloaded from the Internet and built from scratch using only a 3D printer--and then to share it with the world.

It’s so easy and so cheap to order things like CNC routers and 3D-printers off the shelf that we can be forgiven for forgetting what was once involved in owning machines such as these. It used to be ...