E = mc2 keyring (big version)

E = mc2 keyring (big version) 3d printed Art Mathematical Art
Due to the size of the parts, this can'd be printed in stainless, for a version with thicker walls (and almost the same price), click here Thank you
cm: 6.56 w x 2.706 d x 0.708 h
in: 2.583 w x 1.065 d x 0.279 h


  • White Strong & Flexible

    White nylon plastic with a matte finish and slight grainy feel.


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