this post was submitted on 13 Jul 2023
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Today I learned

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Without these dots, the glass could become loose and eventually fall out of the frame. These frits are also there for aesthetic purposes.

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[–] scutiger@lemmy.world 3 points 1 year ago

The dots themselves don't do anything, but the black border does. But if you see the dots coming off the glass, it's a sign that the frit around the edge may also have started detaching from the glass.