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.
What magnets are you using? I stacked two magnets at each location on the oil pan so that any differences in the block and oil pan would be compensated for and also left a gap between the two. I also glued the magnets in the block last and installed the oil pan before the glue cured so that all the magnets were aligned. Does you oil pan just fall off or bump off easily?