Never dig through your drawer for a thumb-drive again. This project uses two Skateboard bearings (also know as "608" style) and a 1.5x15mm grub screw. You can add 36 pennies to keep your rotating USB holder from sliding around when operated.
Grub Screw
http://www.ebay.com/itm/like/291235291627?lpid=82&chn=ps
usb_lazy_susan_lower.STL | 313.0KB | |
usb_lazy_susan_nut.STL | 258.0KB | |
USB_lazy_susan_upper.STL | 903.5KB |