PrintrBot gave everyone who bought a Beta version a free upgrade, so last night at 10:20pm I started tearing it down, and finished rebuilding it at around 6:30am. I then had a 4.5 hour conference call. Now I am going to the city for a hardware startup meeting.
Here it is. Has a direct-dive extruder now, end-stops, ACME screw, and more print area: