MPCNC Spring Pen Holder

Thanks to Allted for the great idea of using ABS's flexibility as a spring for mounting a pen to the MPCNC.

This mount can be fit directly to the 25mm rods of the MPCNC using zip ties or a M3 bolt. The pen is mounted using two zip ties. The springy parts allow for about 5 mm of movement when using the MPCNC as a plotter.