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Product Description
I made this because people kept stepping on the drain filters I buy in the shop and they crack.
The central part that goes down into the drain is about 4 cm diameter at the top and 3½ cm diameter at the bottom.
Update: I've accidentally trodden on it a few times and it has bent, until I got off it again, and has not cracked.
Update 2: I've trodden on it many times - it still just bends then returns to shape after I get off.