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.
You must choose the 300 size bed and try to fit the smaller size bed on it with customized bedbrackets. Otherwise when you get your 300 size bed it will not fit and you have to order new 2020 parts. Ask Biggsis he did the same as you want to do.https://www.thingiverse.com/make:338255