Very nice and good explanation!  Quite similar to what I do, albeit that yours look definitely better.  I recognize the 'broken plastic' issue. I did not dare to return to the shop... Buying a sealed container to have a hole punched in   I use stainless steel frying pan splatter guard as mesh. It's very fine (< 0.5 mm / 0.019685 inch holes), stainless, and because it's metal, I can melt it in place with a soldering iron. I use a metal plate cutter to cut out round pieces that are a b
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