A little bit more fine tuning and this joint will be ready to go together. 7 more to go, but that's just the start of this piece. It will get a lot more complicated. Note the ruler for scale @emmajenningsartist
Cabinets. This is great! Hidden storage is always appealing. Any style could be worked for this and can be done at the tub as here in this picture, or in a small space in a bathroom. I can see it working similarly in a kitchen also.