Spooltenna Center Pin
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Center Pin for the Spooltenna that stays on the antenna and replaces a pen
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- Printables
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- Other Gadgets
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- Creative Commons — Attribution — Noncommercial
The spooltenna is a portable End Fed Half Wave antenna that is kept on a spool. To unspool it, you typically need to stick a pen in the center and pull.
The problem is that my EDC pen is too thick for the spooltenna, so I decided to 3D print a center pin that permanently affixes to the spool. This print also adds a small grip to hold while winding the spool along with a dimple on the opposite side to press your thumb while unspooling.
The only hardware needed is a single M3 x 10mm screw!
I have also included the FreeCAD files should you wish to modify it to your preference!