Espresso Knock Box
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3D printable coffee knock box for disposing of used espresso pucks. Designed for an 18 mm wooden dowel as the knock bar.
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Model information
- Source
- Printables
- Category
- Kitchen
- License
- Creative Commons — Attribution — Noncommercial
A simple 3D printable coffee knock box for removing used coffee pucks from a portafilter after making espresso.
The model uses a wooden dowel with a diameter of 18 mm as the knock bar. The portafilter is tapped against the dowel to release the coffee puck into the container.
Features
Designed for an 18 mm diameter wooden dowel
Open lattice design reduces filament usage
Reinforced upper rim for additional rigidity
Removable and easily replaceable wooden knock bar
Suitable for collecting used espresso pucks
Can be used with a small waste bag for easier cleaning
Required Parts
3D printed body
Ø18 mm wooden dowel
Cut the wooden dowel to the required length after printing, based on the actual distance between the two mounting points.
A wooden dowel is recommended because it provides a slightly softer contact surface for the portafilter compared to a metal bar.
