This folding credit card pen is wonderfully over-designed.
If you treat your wallet like a Swiss army knife, you may want to save a card slot for the Hancept Zero MK2. Made from ...
Hackaday5y
Clicky Signspinner Works Just Like A Retractable Pen
[u407]’s 3D printed Signspinner was created as a clean/dirty indicator for a dishwasher, and at its heart is a mechanism that works a lot like that of a retractable ballpoint pen. Every click of ...
Hackaday11mon
This Is How A Pen Changed The World
Look around you. Chances are, there’s a BiC Cristal ballpoint pen among your odds and ends. Since 1950, it has far outsold the Rubik’s Cube and even the iPhone, and yet, it’s one of the most ...
T33y
Ballpoint vs fountain pen: which should you be writing with?
It’s a debate as old as time and has had the world’s finest intellectuals at war for years – what is better to write with, fountain pens or ballpoint pens? Okay, maybe it’s not that ...