Looking for Klein Bottle model/dataset

Anyone know where I could find a accurate (as much as can be in 3 dimensions) model of a Klein bottle? I’d make my own, but every time I try it comes out rather ugly, and googling turns up no models or datasets, but plenty of stills/animations that all seem to have exactly the same model. This leads me to assume that there’s a specific shape these things have, not just a concept, and I would like to have something mathematically accurate. Thanks!




Thanks, but…
what format is that? :-?