Square-egg press — 3D-printable model preview

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Food preparation Multi-part assembly

Square-egg press

Turn a hot boiled egg into a perfect cube for lunch boxes and bento

A hot boiled egg is surprisingly soft. Peel it while it is still hot, drop it into this box and press the lid down over it: the lid squeezes the egg into the square chamber, and ten minutes in iced water sets it in shape. Out comes a cube with sharp corners that slices into square egg pieces for sandwiches, stacks in a bento and makes children ask how. It was a craze in Japan in the 1970s.

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Size: 44 × 44 × 46 mm
Shape: Rectangular
Walls: 2.4 mm
Volume: 18.6 cm³
Est. weight (PLA): 23.1 g
Parts to print: 2
Category: Food preparation
Made by: Krypto
Built in: 9 steps

What’s in it

Rectangular, 44 × 44 × 46 mm, with 2.4 mm walls
Telescoping lid (prints separately)

How to print it

Peel a medium egg while still hot, push it in, press the lid down and hold it with a rubber band; chill for 10 minutes in iced water.

Prints as shown on its floor, no supports. The lid prints as a separate part, top down.

Filament: at most about 23.1 g of PLA printed solid (roughly $0.46 at $20 per kg); normal infill uses less.

To get the files, open it in the generator and choose File › Download STL (one file per part) or Download 3MF (every part on one plate).

Questions

What size is the square-egg press model?

The square-egg press model measures 44 × 44 × 46 mm (width × depth × height). You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Peel a medium egg while still hot, push it in, press the lid down and hold it with a rubber band; chill for 10 minutes in iced water. Prints as shown on its floor, no supports. The lid prints as a separate part, top down.

How much filament does it use?

At most about 23.1 g of PLA (18.6 cm³ printed solid), roughly $0.46 of filament at $20 per kg. Normal infill uses less.

How many parts does it print as?

2 parts. The download lays each part flat in its best print position: Download STL gives one file per part, Download 3MF puts them all on one plate.

Can I change it?

Yes. Open it in the SO3D.xyz generator (free, in your browser), change the size, walls, dividers, holes, text or anything else, then download it as STL or 3MF for your slicer.

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See all 44 in Food preparation

Make it fit your space

Change the size, walls, dividers, holes and labels of the square-egg press model in your browser, then download it for your printer. Free, no CAD needed.

Customize this model