Proposed Modification Makelangelo 3 from MarginallyClever.com

This is a proposed modification to the Makelangelo Motor and pen mounts for the drawing robot from www.marginallyclever.com The motor has been flipped and the tip exposed to allow you to add a fun image that can be cut out and mounted on the spindle.
The pen mount has been created and modified from a previous version I made that allows you to squeeze the pen by screwing it into the collar, much like a drill. This I am hoping, makes mounting the pen easier. You also need to orient the servo m