more rigid ultimaker cooling fan based on Neatherbots design

I made these much beefier and out of pla. The fan attaches to the main carriage nuts. Fans are glued in place with super glue which reduces noise considerably compared to bolting which can cause fan warping.

YouTube Video:
http://youtu.be/t6CScaGw4Ak

Link to mini fans:
http://www.ebay.com/itm/251483200834?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649