Blower Fan to 40MM Fan Mount Adapter

This is an adapter that allows you to mount a 75 x 30mm blower fan where you would normally mount a 40mm fan.

Here's a link to the blower I designed this to fit:
http://www.amazon.com/gp/product/B008P72SSM?psc=1&redirect=true&ref_=oh_aui_detailpage_o01_s00

Also, this works great with iamjonlawrence's 1405 300mm No Sag, PrintrBot Simple:
http://www.thingiverse.com/thing:372467/