I used a Gridfinity Creator 5x3x2u Solid Bin as a base to create this Kindle bin.
The kindle is pretty much exactly as wide as 3 units, so there is very little room left for walls.
In my print they are just one wall and it can be a bit flimsy. It's still better than wasting one more unit I felt like.
You can charge your Kindle while it sits in this bin, which is what I do in my nightstand.
I used the remaining space to add two more tiny bins for things.
I used white Bambu Lab PLA Matte.
The author marked this model as their own original creation.