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.
I printed this out and the extra 5mm would have fit easily.
Can you please re-post the original files you had? I'd like to reprint with your original design dimensions without the 5mm haircut which reduces drawer space.