Funnel with texture for increased filtration performance
grabcad
This is a filtration funnel, with texturing to increase the efficiency when used with a filtration-paper.The outer texturing helps the air of the bottle to escape while the inner texturing prevents the filtration paper getting sucked onto the surface of the funnel, thus decreasing the effective filtration surface dramatically.I printed mine out of Filaflex 82A and it performed quiet well, when used for filtration with just common coffee filters.
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