Sink hole plug
thingiverse
Check out my etsy store. https://www.etsy.com/shop/HotSquare After installing the new faucet I ended up with extra unused holes in the sink. So I whipped up a compression fit plug and plate to cover the holes. This is made for 10mm thick sinks. usually composite not metal sinks. The compression clips work well even in PLA as used in the photo.
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