I will try to give you advice: learn to break things down. There are actually a couple of shapes in this composition plus effects and probably blended textures. If you place above example in Illustrator or Photoshop you can trace shapes using Pen tool. Start from the bottom-most shape, for example, and keep adding shapes on top and changing colors/adding styles like Bevel and Emboss. Try to find textures which can help you to quickly get the desired result using blend modes. It is not that difficult to replicate things, it is difficult to create something new.
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