Penguin Biowheel stopped spinning. Seems like a common problem. At first, we did the “public” fix of sponges in the corner. This works only so long, it blocks flow, it shifts, and decomposes with the water in size — and needs constant adjustments. Decided to fix it once and for all with a 3D print off the Prusa Mini. Went through a few prototype designs to see which would work best. This is a 150 model. If you have any questions or comments, post!
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