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 can change tightness by scale it down/up.
It depends on your printer and used material (some materials shrink more than others)
It's designed with 21.4 mm gap for the console.
Console should be 21mm.
If you have printer properly calibrated, you should get good hold with 99% scale.
Print just one and test it.