About this 3D model

This is a simple klein bottle. It doesn't exactly go all the way around at the top but it still has the characteristics of an actual klein bottle. If you pour a liquid in the top and rotate the bottle, it will eventually end up in what appears to be the walls of the bottle. I guess this is the kind of Klein bottle you wold drink out of... The angles are gentle on all 3D printers. No support material required! I haven't tried this yet, so feedback will be appreciated.