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.
Those lobes or 'mickey mouse' ears are to aid in bed adhesion as those areas were a little prone to losing bed adhesion without them. They're so thin that you can easily pull them off after your print.
You'll definitely love this design... I sure do :D
But the other design is still good to... just this one is better!!