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3Doodler Limited Edition Star Trek 3D Pen Sets by WobbleWorks LLC. — Kickstarter
3Doodler Pro Takes 3D Drawing To a Whole New Level | Digital Trends
Kickstarter: The CoLiDo 3D Printing Pen Offers Big Fun & Safety with Unique Auto-Retract Nozzle - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
3Doodler 3D printing pen starts shipping to Kickstarter backers, retail models arriving in early 2014 | Engadget
3D pen raises $500,000 via Kickstarter - The Pen Company Blog