Fan Duct, MendelMax 2.0

I've been on a quest to improve the print quality on my MendelMax 2.0 printer. Watching a Replicator 2, I've noticed the fan makes a huge difference. I had been using two fans angled toward the top, using these mounts: http://www.thingiverse.com/thing:139952. You can see the latest version of this mount on the right side of the photo.

In an effort to improve the cooling airflow, I created this fan duct, which screws onto the carriage. This fan duct is thicker than many you'll find, but does a