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I was looking at laminar flow filters to aid in my mycology work I'm doing. Most filters use an aluminum extrusion with fins. I figured the options out there are pretty expensive for what you get and figured I could just 3d print my own straightener. Question is what shape do I use? I have seen honeycomb used and would be an easy option, but it really got me thinking about what shape would be optimal for this. We all know that when streamlining a positive body that a teardrop is close to optimal, but putting teardrops in a grid would yield a weird negative shape in the pattern. Any thoughts or ideas on this would be greatly appreciated, I plan on open sourcing the final design.

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  • $\begingroup$ Have a look for the laminar flow system used in the Burg El Arab... Also, there was some work done for fire hoses... $\endgroup$ – user207455 Jul 16 at 6:17
  • $\begingroup$ What is the purpose of the filter? What particles will the filter trap, (size, shape)? $\endgroup$ – Alex Trounev Jul 16 at 8:48

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