Korean designer Jungsub Shim spent months building up the structure of this intricate chair using only a 3D-printing pen.

The pen can be used to generate text or 3D drawings. For example, you could draw a 3D cylinder in midair, and have the drawing appear on a computer screen while you work, so you’re not limited ...

2D/3D Chairs Installation by Yoichi Yamamoto Architects The back of the chairs stand up from the stage, while the legs of the chairs are drawings on the floor of the stage.

Live2D from Cybernoids is a drawing technology that hopes to change that. The software lets animators and game creators give hand drawn 2D images rudimentary 3D qualities.