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Direct link to the designs (c and d, with d being practical). Great paper honestly.

https://academic.oup.com/view-large/figure/512223725/pgaf087...

I love that La Fontaine is named in tribute to Marcel Duchamp[0], even if calling a splash-free urinal a fountain would seem a bit confusing on the surface.

[0] https://en.wikipedia.org/wiki/Fountain_(Duchamp)

Sorry, they use A and B as controls. They are not good at preventing splash

C looks challenging to clean

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