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Clearer overview, store and free print files: dubios42.wordp...
Updated version which is less sticky: • Donut Espresso Shakr f...
Finished product: ko-fi.com/dubi...
I like to try out all kinds of espresso tools. I never fully considered the blind shaker from Weber Workshops until the Lance Hedrick video.
So I created this experimental version specially thought for 3D printing (chamfers instead of roundings, 2mm thick walls)
- and especially to strengthen the donut extraction.
Why would you want a donut extraction? In Stéphan Ribes paper "Radial uniformity of espresso extractions" from 2020, he found that even with a donut extraction, the sides of the espresso puck are under-extracted. Also nicely illustrated here again by Lance Hedrick.
I can hardly test whether my shaker really improves this or not without the appropriate equipment, but if you can, please do so and report back.
So, see as an experiment currently where you can take part in. I've managed to get some great shots with it so far. Note: With use, I had to change the grinder settings for my recipes
There is also a subreddit specifically for 3D printed coffee tools where test results of this tool will be discussed in the future (and also on this channel). We are happy about everyone interested and about like-minded people who would also like to share their experiences!: / 3dprintingcoffee
Project Page(s) for the "Donut espresso shaker":
Printables: www.printables...
MakerWorld: makerworld.com...
Mentioned sources:
Lance Hedrick about this style of tools: • THIS CHANGES EVERYTHIN...
Lance Hedrick about donut extraction: • THE ULTIMATE TAMPER: W...
Paper from Stéphan Ribes: decentespresso...