This didn't turn out quite like I wanted it to, because I lost focus for a short moment and then had to adjust all the other squares.
This looks three-dimensional, doesn't it?
Nightmare stairs going down.
I think this is the last maze for the time being.
I put the date in this spot, but in hindsight this doodle should have been turned counterclockwise, so that the yellow bubbles would have been on top...oh well.