Screw-Together Strainer & Funnel for Bottle-to-Bottle Straining
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A screwable two-piece sieve and funnel for clean bottle-to-bottle liquid transfer.
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Informacje o modelu
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- Printables
- Kategoria
- Kitchen
- Licencja
- Creative Commons — Attribution — Noncommercial
Screw-Together Sieve & Funnel
A two-piece sieve and funnel for clean bottle-to-bottle liquid transfer.
The sieve screws directly into the funnel, making the parts lock together as one rigid unit. This prevents wobbling and keeps liquid from leaking around the edge of the sieve. Everything passes through the mesh and drains cleanly through the spout.
Originally designed for straining kefir grains, but also useful for kombucha, cold brew, tea, infused oils, sauces, dressings, and similar liquids with solids.
Features
Screw-together sieve and funnel
Stable one-handed handling
Reduced dripping around the sieve edge
Easy to disassemble and clean
2.5 mm mesh holes for fast draining
STEP and Fusion files included for remixing
How to use
Place the funnel on the receiving bottle.
Screw the sieve into the funnel.
Pour the liquid and solids into the sieve.
Let the liquid drain through.
Unscrew, empty the solids, and rinse both parts.
The spout is 18 mm wide and extends 30 mm into the bottle neck. The 30 mm flange helps the funnel sit on the bottle rim while leaving space for air to escape.
Print settings
Both parts print without supports.
Sieve
Orientation: mesh side down, open side up
Print height: 64 mm
No bridging required
Funnel
Orientation: collar down, spout up
Print height: 102 mm
No supports required
Recommended slicer settings
Layer height: 0.16–0.2 mm
Walls: 3+ perimeters
Infill: 20–30%
Supports: none
XY compensation: not needed
Material
PETG is recommended because it is tough, food-safe when printed appropriately, and suitable for acidic ferments.
Food-safe PLA can also work, but avoid prolonged hot or acidic exposure. Avoid ABS for direct food contact.
Specs
Feature | Value |
|---|---|
Sieve OD | 89.4 mm |
Sieve interior diameter | 86.4 mm / 79.4 mm lower section |
Sieve interior height | 60 mm |
Mesh holes | 333 × 2.5 mm |
Mesh pitch | 4 mm |
Funnel collar bore | 90 mm |
Funnel collar OD | 100 mm |
Spout OD / ID / length | 18 mm / 15 mm / 30 mm |
Bottle-rest flange OD | 30 mm |
Threads | M90 × 6, right-hand |
Assembled height | ~150 mm |
Bottle compatibility
Works well with wine, kombucha, and beer-style bottles with roughly 18–22 mm internal necks.
For wider bottles or jars, the 30 mm flange may sit on top of the rim. Hold the funnel by hand if needed.
Cleaning and tips
If the threads are tight at first, keep threading and unthreading the parts until smooth.
For kefir, kombucha, or other protein/biofilm residue, soak briefly in white vinegar, then wash with dish soap.
For thicker mixtures, gently shake the sieve while pouring.
Designed in Fusion 360. STEP and Fusion archive included for remixing.