Rhombic Dodecahedron Folding Egg Tray
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An egg tray that folds into a rhombic dodecahedron as you use your eggs (to save space)
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Updated at source:
Model information
- Source
- Printables
- Category
- Kitchen
- License
- Creative Commons — Public Domain
What is it?
This model is a single tile. This tile holds an egg and has spaces for magnets in it. When you have 12 tiles and put magnets in them, you'll end up with 12 tiles that hold eggs and can fold into a rhombic dodecahedron. As you use the eggs, you can fold the tiles into a dodecahedron to save space in the refrigerator. It can also stack.
Materials
- 12 tiles (printed)
- 96 magnets (⌀6mmx3mm) or (⌀6mmx2mm)
- super glue
The Lore
While sitting in my chair watching YouTube, I pondered over the grave issues that plague society today. From global warming to politics and media, I stumbled upon a problem oft ignored. The calamity of egg cartons that are almost empty but take up too much space in the fridge.
When you have 3 eggs left, you have a carton sized to hold 12 eggs, but with only 3 eggs in it. This has a remarkably poor density of egg in the fridge. This won't do. I wondered, and then I realized. What if an egg tray could fold itself as you used the eggs?
I looked through the platonic solids, unsatisfied with the nets and the diameter to area ratio of the simple shapes. A dodecahedron would make sense, a dozen is 12 after all. But the net looks ridiculous. An icosahedron would be nice, but eggs don't come in 20 and triangles are the worst of all the shapes for space efficient tiling(when considering area to perimeter). That's when I found the rhombic dodecahedron.
There's 12 tiles, one for each egg. They can tile to the net, as well as in a simple grid pattern. It looks cool. What's not to love?
Also, because it's magnetic, you can stick it on the side of the fridge to hold up baby pictures. As a little bonus once you get bored of it, it also makes for a pretty good fidget toy.
Instructions
The magnets have to go in a specific orientation, and you have to repeat this on every single tile on every single side. Basically the left magnet on a side should be facing the opposite direction of the right magnet on a side. Once you have one tile done, I recommend using that tile as a guide for the other tiles. Every tile should be identical.
If you have a bespoke magnet size, I have included a blank tile that you can add the exact size of magnet that you want.