Simple blower fan shroud for the Type A Machines Series 1. Uses a 50mmx15mm DC 12V 0.15A 2 Pin Connector Cooling Blower Fan from: http://amzn.com/B00MJU6JR2
Reuse the screws from the stock fan and metal frame to connect the blower fan to the arm part. Secure the other end of arm part to the extruder cage.
Print with No supports. Lay the shroud flat on the longest part of the shroud.