Keychain Atomic Number
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Keychain of Atomic Number (Z) of the atoms.
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- Creative Commons — Attribution
This is a keyring in the shape of an atom, specifically referring to Ernest Rutherford's atomic model. It can also be used as a medal, as if it were a kind of award.
I designed it for my students. The letter Z is in the nucleus of the atom, referring to the atomic number of the elements.
It only requires a colour change, so it is easy to make even if you do not have a multicolour system. In fact, I do not have that system; I printed it with the Elegoo Centauri Carbon.
I used 20% infill and PLA as the material, but you can use whatever infill you want. As it is small, the difference in the amount of material is not that significant.