Saving Codim-2 data

Specific Domains
2

I would say:

df2 = DataFrame(
    a1 = codim2_a2.a1,
    a2 = codim2_a2.a2,
    x = codim2_a2.x,
    y = codim2_a2.y,
    z = codim2_a2.z
)

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