I just put this spring loaded pen holder up on Thingaverse. It uses m3 hardware and a ball point pen spring. http://www.thingiverse.com/thing:268679 . It works well with makerslide extrusion.
I just put this spring loaded pen holder up on Thingaverse. It uses m3 hardware and a ball point pen spring. http://www.thingiverse.com/thing:268679 . It works well with makerslide extrusion.
