When I saw it I just need it in my collection. As I was not able to find it anywhere, I decided to design it on my own.
Here you can see how Chris Ramsay struggles to solve it.
For printing, I always suggest flipping some pieces upside down to make it less obvious which side is top. And it is also good to enable rotation in Arrange settings so top/bottom lines will not help with orientation.
The author marked this model as their own original creation.