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How about the digestive system?
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A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

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This is a science community. We use the Dawkins definition of meme.
I was making a minnow net to catch baitfish for my son. To make a cone you need a half circle of material out of mesh.
Now in a 2D world the where there is no thickness this would be correct, if material can be added to fill gaps.
In a 3D world, any round object with a hole and some thickness could be a straw. A washer is a straw by this logic