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 use some hex head screws, you can easy find them on Home Depot or other hardware store nearest to you :)
Something like https://images.homedepot-static.com/productImages/d5b8387d-e16f-4357-a7b9-7aaf73493f94/svn/everbilt-socket-screws-803208-64_1000.jpg
You need to check the size or cut it with a dremel