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[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 course a ‘clicky pen’ is actually called a ‘retractable pen’, and they have been around since the 1950s. ... Indeed, it’s usually the simplest mechanisms which last the longest.
Clicky Signspinner Works Just Like A Retractable Pen. ... and at its heart is a mechanism that works a lot like that of a retractable ballpoint pen.
The pen utilizes a machined metal body, while the heart of the pen is a latest version of the famous 416SS pen advancing mechanism, absolutely the finest “clicky” mechanism available.
In his latest video, he walks through the mechanism of the very first mechanical pen in great detail, and you'll see how while it's simple, it's also clever and complicated. View full post on Youtube ...
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