Carbon Nucleus Model
thingiverse
The white protons and blue neutrons for carbon 12. The static structure has a lattice called the Face Armored Cubic. http://pyramidalcube.blogspot.com/p/carbon_41.html See my paper in the Journal of Nuclear Physics, March, 2019 The Blender file has 12 spheres for carbon 12 isotope. Two protons are in the core, like two electrons in the inner shell of C-12. Warning: the spheres are not glued together. The spheres need to overlap more for a 3D printer to make a solid model instead of a collapse.
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