Square egg maker

1. Prepare a hard boiled egg.
2. Let it cool a little bit
3. Put it in the box
4. Gently screw the cap, pushing the plate. Don't put too much force, this is not necessary. This is just an egg, after all.
5. Let the egg cool
6. Gently push the egg out using the cap
7. Woah! A square egg!

Easy print. PETG is recommended. No supports needed.