There are a few more things that might just clinch the win for this cat tree: The surprise litter box space on the side, which has two entrances and is very well-ventilated. The MDF board ...

Starting with a CNC cut MDF enclosure, [Sokołowski] developed a cat feeder that would fit in the rear of the piano. It had to be reliable, consistent, and easy to disassemble. He walks us through ...