Posted in 3d Printer hacks Tagged 3d printed, clicky, retractable pen, rotating sign, sign, signspinner ← CB Radio + Arduino = 6 Meter Ham Band Hold 3500 Volts Up To Your Eye → ...

The refillable, retractable ballpoint pen is warrantied for 100 years and a million clicks. Currently the subject of a Kickstarter campaign, the Dragon Pearl is made by Japanese company Titaner.

The Uni-ball Jetstream is unassuming. It looks like any other ballpoint pen. It’s lightweight, has a retractable tip, and is sold in several tip colors and widths.