Espresso Dosing Funnel with Magnets (parametric)
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A parametric dosing funnel that sticks to your portafilter with 6mm magnets.
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Model information
- Source
- Printables
- Category
- Kitchen
- License
- Creative Commons — Attribution — Share Alike
I am using the 35mm tall funnel with my Rancilio Silvia and Baratza Preciso grinder. The extra large funnel is tall enough that I can grind 18+ grams of beans without worrying about a mount of coffee spilling over the back.
The 10 6x2mm magnets I used hold the funnel on quite solidly. I can bump the walls of the grinder when removing the portafilter. I can go bananas with the WDT tool without knocking the funnel off. I can quite solidly smack the portafilter off the counter to settle the grounds. It has been an improvement over the no-magnet 20mm funnel I was using previously.
Just about everything important to the sizing of the funnel is a parameter in the OpenSCAD source. You can easily use more or fewer magnets, different size magnets, and tune in the heights and diameters to make a funnel that will perfectly fit your machine and needs.
If i weren't in a hurry to get this uploaded, I would go wipe some of the static-cling coffee grounds from the grinder and retake the photos. Maybe next week.