I know there are plenty of honeycomb shelves around, but I couldn't find one like the one I had in my mind.
I wanted something that I could expand without making new holes, and no visible screws!
As you can see, it's for my mini Funko Pop collection.
The ones in the pictures is held by just two nails, and it can be expanded even further!
Updates:
Combine it with the Standard Shelf. Check my profile or use the link here:
https://makerworld.com/en/models/457811
With the adapters, they can be locked together: