Cooling Fan for Flashforge Creator X

I printed AndyGadget's excellent design
https://www.thingiverse.com/thing:652185
It looked like a good fit for my FlashForge Creator X with metal frame. This is the same printer as the FlashForge Creator Pro but without the plastic cover.

After installing, the 5015 fan case was sitting about 3mm too high on my FlashForge Creator X - with the result that the fan would definitely crash into the printer metal frame before hitting the Y-axis limit switch located at the top right rear of the printer. So I had to make some necessary modifications to the original design.

I had already printed the original AndyGadget design but after discovering the conflict with the printer metal frame, I modified and re-printed the plate portion then actually modified the duct part (physically) with a pair of side cutters.

I took AndyGadget's two STL files and cut them using Slic3r by 3.6 mm or so. After modifying the duct STL file I never did reprint that part, so hopefully I got the virtual