A fine fountain pen is a lifetime companion, but even a well-engineered, low-cost refillable rollerball should be desirable enough to make you want to keep it around. Here’s our guide to the ...

The BrachiGraph project consists out of two parts, the hardware design for a servo-driven drawing arm (pen plotter ... with three dirt-cheap SG-90 microservos along with some bits of wood ...

Ugee's new drawing monitor (also called a pen ... and everything is relatively cheap. When I first pick up the pen, it feels noticeably light, in a cheap plastic sort of way, and I think I'm ...