toilet sink
thingiverse
Small sink to put on top of the toilet. When you use the flush, you can wash you hands. The water then goes to fill the toilet tank. needless to say you need to find a way to connect it to the tank valve. https://youtu.be/2l6GQC7eDzo P.S. : sorry for the bad english, I'm usually quite fluent, but I lack the basic vocabulary related to toilets :)
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