Learn about various drawing approaches with a multi-color pen as this video demonstrates creative techniques and color blending. See how combining multiple ink colors can bring sketches and ...

The Chameleon Pen is so-called because it's capable of producing multiple color tones and seamless blending, all using the same single pen. Therefore, the ink which it produces changes color tone in ...

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 ...

Changing colors during a 3D print is notoriously difficult. Either you need multiple heads ready to go during the print which increases operating and maintenance costs for your printer, or you need to ...