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 would not let the TPU belt hold you back, you can also use a stock GT2 timing belt. Just order a length at least .5m long. The TPU belt has a lot of stretch anyways. https://amzn.to/2YiQqeZ
I got the bed from a local glass supplier just because they do a better job cutting it a deburring the edges, but any hardware store will normally cuts glass for you. You just need a piece 8.5" square x 1/8" thick.