Mega Felt Marker Topper

I was netting nice ink coverage with: http://www.thingiverse.com/thing:13624 but I started having issues with hardcore reversals that would send the marker shaft rotating into position so that the z stage couldn't raise further due to the Sharpies hitting the bot's ceiling. So,,, I increased the shaft's length at the bottom to clear the MK6 extruder stepper and fan with the lowest mounted Sharpie (leaves the most room for vertical movement) and added a latching brace that utilizes the MK6 top r