-------------------- UPDATE 1/30/2024 --------------------
I updated the sponge holder base to have a 4 degree angle on the top surface to help water runoff more easily and to prevent water from pooling up in the sponge holder. Based on feedback, I also slightly reduced the size of the plate so that it fits in the base a little more easily. It's still a nice snug fit, but a little easier to assemble now. These new models have the “_v2” suffix.
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Simple kitchen sponge holder that drains into the sink. I printed both parts in PLA and they have held up well for over a year now, however PETg may be easier to clean, and is considered more “food safe.”
Note that the image is of the original design. I have since beefed up the sponge holder plate to prevent it from warping over time.