We're excited and proud to launch Thingiverse Apps. Learn More about what this means to you.
Converted the original file into metric so it would print, due to the comments of others I figured it worthy to share.
(edit 17Oct2012) I now have posted my own printrbot extruder fan design with many enhancements; check it out here:
Printrbot (Updated) extruder fan bracket in mm by erossman is licensed under the Creative Commons - Attribution - Share Alike license.
So what's this mean?
We're sure erossman would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!