Metal pens existed in ancient Rome, but they were not manufactured in large numbers until the 17th century. Objects in the NMAH mathematics collections suggest the diversity of drawing, or ruling, ...

Where SIP Lab’s DeltaPen comes in as an attempt at a smart pen that acts more like the pen of a drawing tablet, just minus the tablet. This project is related to the decidedly more clumsy ...

The Mini comes with the 3D drawing nozzle, and the company plans to add the burning, soldering, and foam cutter tips as the project meets its stretch goals. The pen will ship in January 2016, if ...

pen point compass, drawing (partial) Physical Description brass (overall material) metal (overall material) Measurements overall: 9 cm x 1.1 cm x .6 cm; 3 17/32 in x 7/16 in x 1/4 in See more items in ...

Best smart pen for drawing: Wacom Pro Pen 2 Best smart pen for older iPads: Apple Pencil (1st Gen) Best smart pen for Microsoft Surface: Microsoft Surface Slim Pen 2 How to choose a ...