Print-a-Sketch Turns Any Surface Into A Printed Circuit Board | Hackaday
How to inkjet-print circuits at fraction of time and cost « Kurzweil
The Great Big Guide to Paper Circuits - SparkFun Learn
Towards Practical Application of Paper based Printed Circuits: Capillarity Effectively Enhances Conductivity of the Thermoplastic Electrically Conductive Adhesives | Scientific Reports
Inkjet Printable Circuits - YouTube
Screen-Printing Circuits
How to Make PCB at Home : 14 Steps (with Pictures) - Instructables