*Updated Pen Plotter Attachment

I know people have already experimented with this a bit but I thought it would be nice to have a slightly more elegant solution to the problem of mounting a pen or pencil or brush or whatever to the Makerbot (before I had just hot-glued a marker to my extruder). *Just updated it with an extra piece that you can print and strap on with rubber bands that allows the pen/tool to travel slightly, allowing better contact with the surface. It does this while still allowing the pen to be picked up of