Wanted the pen out front. Used the pen holder as starting point to build off of.
Uses a 608 bearing 2- m4 x 15 screws 2- m3 x 10
Constant Force Joint Washer from https://www.thingiverse.com/thing:2340774
would like to add a spring at some point but works without on an even surface.
https://youtu.be/NcogzYZcGh8