MPCNC Primo Dremel 4000 Sharpie holder
thingiverse
I'm still building my MPCNC and I'm using the Dremel 4000. I found jmiller's dremel tool holder with dust shoe (https://www.thingiverse.com/thing:4567822) and I modified the threaded socket so that a pen/sharpie could be used for testing the MPCNC when I finish up. The hole in the middle will hold a "fat" sharpie by friction and a I included a hole on the side so you can add a set screw (4mm), it will need to be tapped or use the screw to thread it. This allows the use of smaller pens/pencils/sharpies. I have not used this yet, I will update when I do.
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