Spinning Top - Top 2 - Long Spinner

This is the first release in a series of spinning top designs I've created over the last month. There are not many designs on Thingiverse optimized for long spin times and I've been exploring ways to achieve this with typical 3D printers. My first design was beautiful with perfect knurling, but was far from printable :(.

This release, top 2 - long spinner, is designed to be printed in a single piece (with support) and uses a standard BB as the bearing. A major limitation of most printed to