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It's The question and I ask myself again. I explain it above in French in a commentary.
But I could not leave it rough, we must not forget that the picture often embellishes the appearance of the patinas and the geometry of the different parts would not have been readable correctly. The only option would have been to make different colors of patina but it would have been too restrictive technically. Finally I chose only the shift of the ornamentation, initial meaning of my work.

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