All models a in STP files so you can easy modify (I think Every One should upload in this format).

But I also uploaded STL files Just so you can see the models.

Plus I don't know why but they making them that holds 5 eggs. I know that in my area they selling them in 6, 12, 18, 24, 48.

Egg Holder, Storage stock the parts together.

You can hold 6, 12, 18 or ?? of eggs. Stock together Part 1 with Part 1 to make them higher 

My pictures shows

Base, Part 1, Part1, Part2 Top.

You can use base, Part2 Top just for 6 eggs or any other combination