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.
Speed will be printer dependent. I used about 600g of plastic the the main parts and it took about 48 hours to print everything at 50mm/s. I used about 120g of TPU for the tires and those took about 12 hours at 25mm/s. You can also go to his website to see other build instructions and videos. (danielnoree.com)