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.
Looks like not all 4010 fans are created equal. I will widen the gap to make it work with fans that have thicker tabs. I will post a file shortly. You could also use an Xacto knife to shave the plastic to widen the gap.