Buret (Burette) Funnel - Spiral
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A spiral groove on the outer edge of a buret funnel to allow air flow.
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Model information
- Source
- Printables
- Category
- Chemistry & Biology
- License
- Creative Commons — Attribution
Created and printed this rather than pay for shipping for buret funnels. Improved the function with a groove on the outside allowing for air flow. Made it a spiral shape to make it look cool. Thought it might induce laminar flow, but adhesion from the angled tip does that well enough along the glass. No worries with the buret overfilling due to the air being locked in the buret.
Should fit standard 50ml burets.
No supports needed, 0.15mm Quality, 0.4mm nozzle
Suggest to print in a pH safe material. I used PETG. We have only used 1.0M solutions at the most concentrated. It was a bit stringy so I used a hobby torch to eliminate extra plastic. That also solidified the layer gaps. Consider settings to minimize the gaps between layers.