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 designed a remix version that folds flat, but it is huge and is meant to hold 16 of the little ones like a shelf. I believe I linked the editable one on tinkercad, so you could scale it down and change the text if you want.
Here’s the link: https://www.thingiverse.com/thing:2935818
And on TinkerCAD: https://www.tinkercad.com/things/2nDv1lBWXP5