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.

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It's glued to the back of the block. You can install it at anytime but it's best to glue it once the crank is installed to prevent any interference issues with the output on the crank. The purpose is mostly cosmetic but it does have holes for the magnets that hold on the oil pan.