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iancmceachern
on May 7, 2024
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Cold brew coffee in 3 minutes using acoustic cavit...
You can't really sell them in big quantities because they're typically custom to the task. They need to be custom shaped for each application.
srmatto
on May 7, 2024
[–]
Portafilters are made in mass so you could make horns for common portafilters.
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