58.5mm Portafilter Funnel
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Wide-mouthed portafilter funnel for hand-filling a 58.5mm basket
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Model information
- Source
- Printables
- Category
- Kitchen
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a simple dosing funnel for a precision (VST, IMS, etc.) 58mm portafilter basket. It has a wider mouth designed for filling the basket using a dosing cup either from something like a Niche Zero or a hand grinder. The lip that fits in to the basket is a little shorter/thinner than other designs I've seen to hopefully not disturb the grounds too much after dosing and doing WDT.
The basket lip outer diameter measures a little under 58.5mm after printing on my printer, though the CAD specifies that it should be exactly 58.5mm. It should be a nice snug fit in the basket regardless, but not so snug that it's difficult to work with.
The outer angle of the funnel itself measures 55° so it shouldn't need supports to print beyond the basket seat. The model as uploaded is the best orientation I found to print; it just needs support on the basket seat of course. The print would definitely benefit from soluble supports and a tight interface, but it works, nonetheless.
I would definitely recommend a maximum of .1mm layer height to prevent any odd places where grounds may stick or collect. Print in your food-safe plastic of choice and enjoy.