Static Inline mixer
thingiverse
I created a prototype for a client to test an aluminum part that will be fabricated soon. The design is tailored to fit a specific diameter, and I suggest editing the Fusion 360 file directly to adjust it for different sizes, as resizing the model can alter the connection gaps. Alternatively, you could resize only the X and Y axes. Print Part 1 twice and Part 2 four times. For more information on static mixers, consult this wiki: https://en.wikipedia.org/wiki/Static_mixer I've also attached images of a professionally manufactured metallic component for reference.
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