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 used a flathead screwdriver for the screws/bolts...because I didn't have the right head attachment.
Using needle nose pliers can help get stuff in the right position and to hold things in place when turning.
The thing that REALLY helped though were Like these: https://www.amazon.com/LASHVIEW-Anti-static-Stainless-Profissional-Electionics/dp/B01M3RIMPE/ref=sr_1_6?keywords=angled+tweezers&qid=1557328279&s=gateway&sr=8-6
The angled tweezers really helped me get stuff in in the right spot and into some of the harder to reach areas.
I found that after I the washer and nut on the screw, it was pretty simple to tighten down.