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This occurred to us! We CT scanned an espresso puck that was just tamped without distribution (left) and one that was prepared with WDT (right). The red dots are microscopic voids in the pucks. The non-distributed puck is about 2% void by volume, and the WDT puck is 0.25% void.
22.6.2025
@jimseven have you considered using one of those @lumafield CT scanners (e.g. the one @linusgsebastian has) to do a density analysis for tamped pucks with different tampers / burr profiles / distribution techniques?
as a nerd, I'd love to see this kinda coffee science content
@lumafield This was a quick experiment using 3D printed portafilters (since stainless steel would make it hard to capture details in the coffee pucks). It'd be fun to design a real experiment with an expert like @jimseven or Lance Hedrick!
@lumafield This was a quick experiment we ran at @lumafield using 3D printed portafilters (since stainless steel would make it hard to capture details in the coffee pucks). It'd be fun to design a real experiment with an expert like @jimseven or Lance Hedrick!
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