| 摘要 |
The invention concerns a method for producing decorations on an object by machining a multilayer structure (1) which consists in machining at various depths a complex consisting of an assembly of materials which are different in particular in shade and/or colour, the multilayer structure (1) being made up of an arrangement of bars (2) with polygonal cross-section, and varied shades and/or colours. The method consists in machining said multilayer structure (1) with one or several turning processes.
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