4 ms·

This produces a nice flared tube or "neck" http://vicapow.github.io/equation-plot-webgl/#0.1cos%286.28x%29tan%283.14y%29 http://vicapow.github.io/equation-

This produces a nice flared tube or "neck" http://vicapow.github.io/equation-plot-webgl/#0.1*cos%286.28*x%29*tan%283.14*y%29 http://vicapow.github.io/equation-plot-webgl/#0.1*cos%286.28... 0.1cos(6.28x)tan(3.14y)