For a frustration-free dosing experience, whether you slow feed or dose all at once, upgrade your Timemore Sculptor 064 or 064S with my 3D-printed single dose hopper. The most important feature it provides is an effective anti popcorn design and pairing with my optional custom silicone bellows will help you get precisely what you put into...
Reviews
4.2
11 ratings
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works great, Andrew is a legend
Been using this all weekend - drastically reduced/almost eliminated popcorning vs stock.
Got the screw + bellows option, all look and work great.
Fantastic customer service from Andrew as well!
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Hugo · August 23, 2026
Excellent hopper and bellow
Perfect fit for the TimeMore and works perfectly for no retention. I had the hopper and bellow for the Encore ESP and upgraded to this grinder and immediately purchased the Introvert hopper and bellow. I really like that it has an anti popcorn design that actually works!
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el · July 16, 2026
This rules
Could not be happier with this. Reduces popcorning, no need for RDT is an unexpected bonus and a very welcome addition to the workflow. Bellows removes my need for brushing the inside every time. I'm pretty sure I've saved years of effort with this. Beautiful piece, love it.
I do wish there was a way to get a replacement rubber plug, as one of mine went missing, but that's not Introvert's fault.
Note to folks looking to reduce popcorning: it doesn't stop that annoying thing where the last bean bounces around inside, but the fact that the bean doesn't get as much height now means you don't need to attend to it as much, and it doesn't last quite as long when it happens.