MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
$16.75 for the fan, no way you can get five (5) of them for about $10.00 they run on 5 volt but I run them at 12 volts with no problem. I know cause I have been doing it for about 8 months now. Here is the link. http://www.amazon.com/gp/product/B00EL938E6?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00 . I just ordered another set of five and that makes 15 that I own. The really move a huge amount of air. Have a great day! :-)