AirLogic is a project to 3D print circuits. Not electronic circuits, but pneumatic circuits.
circuits
Benefits of ECAD Tool for 3D Circuit Design
Charles R. Goulding and Matthew Selman look at the shift from MCAD to ECAD tools for electronic circuit design.
ProtoSpray Mixes 3D Printing And Electroluminescent Paint To Create Objects That Light Up
Creators have crafted a method to add light on a 3D printed surface using a unique electroluminescent coating.
A More Practical Method of 3D Printing Circuits?
Researchers at Rutgers University have developed an unusual method of 3D printing electrically conductive circuits.