by mageli, published

eggO by mageli Apr 15, 2014

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20821Views 6524Downloads Found in Kitchen & Dining


On easter day, eggs are kings. Give them a throne with this eggcup inspired by Arne Jacobsen's "egg chair" designed in 1958 for the Royal Hotel of Copenhagen.



Print the seat and the leg (separately if you want 2 different colors), then just clip the seat on the foot.
There are 2 versions of eggO :
"coqpied.stl" + "coqseat.stl" is the first one. "Coqseat.stl" can be difficult to print upright (not very stable). Better result when printed upside down but this needs some supports.
That's why I've designed the second version :
eggO2 with 2 different feet available A and B. "eggO2seat.stl" is easier to print upright than the previous seat. The assembly should also be better. Moreover, the difference between the two feet is just a question of style. A is straighter, and B curvier. Choose yours and enjoy you egg !

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Thanks for a beautiful design and a perfect 3-D print!

my egg enjoyed its new chair thanks #chickmagnet #yes #funfunfun

I tried some as well. Great design.
I've printed the chair in PET and the feet in Fluorescent ABS, but somehow the feet are to small to actually snap in.
Now I'm testing with the feet at 105%. I hope this will do the trick.

I think the problem occurs due to the difference in material and the way it shrinks a bit when it cools down.

for sure this is due to materials shrinkage difference. I don't know exactly the figures but to my mind, 105% is possibly too much.
keep me informed !

chair turns towards camera: "I've been EGG-specting you..."

I like it !
what do you think about this one: http://www.thingiverse.com/thing:400683http://www.thingiverse.com/thi... ?

Coquetier - Eggcup

nice organic shape. Is there a concept behind the shape or is it just aesthetics ?

I like the structures we can only make with 3D printing ...

Big fan of this thing, but at least the "B" foot (having tried the others yet) has a weakness: the "stub" breaks off easily. I don't understand the point of the cavity one the bottom; having it solid would make it stronger and faster to print (at least on my printer).

Thanks for your feedback. Concerning the printing speed you are probably right. Concerning strength it depends on the shape (moment of inertia), the filling percentage (material weight) and last but not least the slicing direction. Slicing direction is chosen for a quick printing without support but it doesnt help strength. And as far as a double wall is stronger than a single one with same filling, I thought it should be stronger with a hole.
It´s probably not the strongest design, it´s a good compromise between printing easyness, speed, material saving and strength... At least for ABS. With which material do you print ?

PLA. I'm sure it will have been strong with or without the cavity on most printers, but my printer has real problems with the cavity (overhang) near the end where the stub begins, resulting in a weaker bond. I have broken two out of four feet. I'll probably hack the stl and fill the hole myself. I don't want to print ABS with my current PEEK based hotend.

ok I understand the overhang issue. A straight central hole should have been better, right ? so no pb, hack it ! and show us your eggO !

Thanks for sharing this amazing design, I am in the process of making four in bright ABS colours.

What about the heat if you use PLA chairs?

I didn't make the eggcup with PLA but I know PLA is sensitive to heat. At 150°C it starts to loose shape. It might deform at 55°C if a force is applied.
What's the temperature of a boiled egg ? for sure it's below 100°C, the temperature of boiling water.
If the temperature of the eggshell is 60°C I think you can put it in a PLA cup as the force applied will be the weight of the egg which is not very heavy and all the cup won't be at 60°C : only the surface touching the egg.
But to be absolutely sure you can put it in, you should wait until you can hold the egg in your hand.
If you do the test, it will be useful to share the information : please give your feedback.
Thanks a lot.

I Printed it with Brick PLA! Looks really nice but it is way to small (see my pic).
Will test this one with a boiled egg on Sunday morning.

sunday morning is the best moment to test an eggcup with boiled egg ;-)

So, I tested it with a really hot egg (always run some cold water over it, but still..) and I did not had any problems with the Stone brick PLA! Gone print some orange now.
Ps: how do you cut them so nice!

I confess photoshop helped me to make a crown-like cut

Nice job on that then also! Hehe

i just printed 12 cubes to hold eggs for tomorrow's dinner and then this came :[

So you should plan a "not easter" dinner for this design if you don't want to wait until next year :-)

so is the original "Egg chair" by Arne Jacobsen !
thank you !