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90mm Petri Dish Tri-Vent — image 1

90mm Petri Dish Tri-Vent

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This simple print converts a non-vented glass Petri dish into a three-vented Petri dish for things that need air.

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License
GNU General Public License v3.0

I use glass Petri dishes for my work, so that I can reduce my plastic waste in the lab. Unfortunately, my glass dishes are not vented. This is a problem when I need air exchange, like crystal growing or fungi culturing. To upgrade my dishes without significant plastic use, I printed these rings. 

This ring has three raised lips with the same clearance as a standard vented Petri dish. The ring will fit snugly into the lid of the dish so that it doesn't fall into my solutions, and I can reuse them again and again. 

 

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