I am trying to build sustainable packing box, chopsticks, cups using the fragments of eggshell (eggshell is a bio-degradable structural material, green source). How to introduce adhesives into fragments, and solidified the fragments into the designed 3D shapes?

The mechanics properties of eggshell allow no self-supporting ability independently. What kind of adhesive is suitable?

Please give your suggestion, which will be much appreciated.

Yours Yufeng Tao

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