Coffee Single Dose Carrier + Funnel > Scale (Updated)
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This is a centrifuge lab tube carrier with funnel to put on your scale and prepare single dose coffee beans.
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Updated at source:
Model information
- Source
- Printables
- Category
- Kitchen
- License
- Creative Commons — Attribution — Noncommercial
This is a centrifuge lab tube carrier with a funnel, designed to sit on your scale for efficiently preparing multiple single-dose coffee bean portions.
The empty lab tube is loaded through the top funnel, filled with coffee beans, and then removed via the side opening. I left an opening behind the cone base to prevent chaff and dust from accumulating there. Compatible with 50ml lab tubes, both flat-bottom and conical.
▲ Important: This model performs best with conical-bottom tubes and shorter flat-bottom tubes (114mm). I’ve tested different brands, and while slightly longer tubes (117.5mm) still work, they don’t release as smoothly as the shorter ones.
▲ Version update: 17th of April 2025
I’ve created a new version called Centrifuge Funnel THICK with thicker walls and a few other tweaks to better withstand the rough handling from your barista friends.
If interested, I have made a Triangular Tube Holder to go with it.