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.
Discovered my fault. Posting for others. Shimizu tires require stock Tamyia rims like these:https://www.tqrcracing.com/shop/product/51378.jpg
NOT the Race brand ones the rims in the package are designed for. I did up some compatible wheels and they work really well. Rubber, foam inserts, very grippy.http://www.thingiverse.com/thing:2291570