Renegade: The World's First 3D Pen to Run on Plastic Bottles by Daniel Edwards — Kickstarter
3Doodler Create PLA 3D Printing Filament Refill Bag (x250 Strands, Over 2000' of Extruded Plastics!) - Clearly Glacier : Amazon.co.uk: Business, Industry & Science
A new 3D printing pen aimed at professional designers - Design Week
3Doodler Review: 3D Pens For Freehand Creation - Tech Advisor
3Doodler Start Essentials Pen Set - Creative Play Products