Maybe your grandparents give you checks for Christmas or make the best cookies, but can they make you a rocket? Chris Knowlton became inspired to make a rocket ship playhouse for his 2-year-old grandson, Benjamin and the result is breathtaking.

When we first heard about Simplify3D, the internet was already hearting it mucho. Nine months later, they show no sign of slowing down.

Cubify Invent is CAD software aimed at the uninitiated consumer with a 3D printer like the 3D System’s Cube. Unlike the free to use AutoDesk 123D, TinkerCAD or SketchUp, it cost $49, but has all the functions you would need to make almost any part fairly quickly. Extrude 2D into 3D? Yup! Fillets and other such…