Thingiverse
EM6910 tamper with level bumpstop
by demonflesh
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This coffee tamper has a lip on it which i have carefully measured to stop overfilling the portafilter basket.
The worst case with this tamper is you underpack/undertamp and get one bad coffee as opposed to overfilling which puts excess stress on the group head collar which is made of a soft alloy and quickly becomes damages, and starts to leak.
This also helps if you have trouble tamping straight as it allows you to tamp parallel to the top of the portafilter.
If overfilled when you t
The worst case with this tamper is you underpack/undertamp and get one bad coffee as opposed to overfilling which puts excess stress on the group head collar which is made of a soft alloy and quickly becomes damages, and starts to leak.
This also helps if you have trouble tamping straight as it allows you to tamp parallel to the top of the portafilter.
If overfilled when you t
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