A couple of years ago, a group of entrepreneurs successfully Kickstarted a little something known as the Chameleon Pen. In a nutshell, it's an art pen that changes color tone as you draw – for example ...

The Scribble Pen is a device that scans a color from a real object, turns it into an ink, and lets the user draw with it. An RGB color sensor scans the color and sends the information to a micro pump ...

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If you want to sample a color that you encounter in the real world and then reproduce it on your computer, you might already be interested in devices like the SwatchMate Cube or the NODE Chroma module ...

Scribble, the “revolutionary pen that draws in any color [!]” from Scribble Technology claims that it is able to scan color from any object and instantly reproduce the color on paper or a digital ...

This video shows the process of creating an anime-style illustration using a multi-color ballpoint pen. It explores how to use limited color options creatively, with a focus on line control, layering, ...