Pen holder with swappable system

IMPORTANT NOTICE: Since Thingiverse was having performance issues and people are reporting getting 404 errors, I decided to place all my designs on my own website https://properprinting.pro/product-category/3d-print-files/ All files can be downloaded from there for free and all updates and new designs are placed on there too.

I have designed a pen holder to turn my printer into a drawing machine which fits the swappable hot end I have designed a while ago https://www.thingiverse.com/thing:3547740 Unlike most pen holders I have seen, this one is activated using a 12V solenoid. This way it is possible to control it quite similar to controlling a laser cutter. The solenoid is, like the laser cutter, controlled by the part end fan connection. This worked as well as I could have hoped for!

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