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I am new to product design and injection molding, and am only familiar with basic finishing options such as painting, pad printing, and uv printing for decorating consumer products. I found this speaker with a complex surface pattern and I was wondering how it was achieved.

Red Speaker

Any help is appreciated. Thank you!

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    $\begingroup$ Looks like ink - probably pad printing or screen printing $\endgroup$
    – CBRF23
    Feb 24, 2022 at 1:57

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That is an outer cover, so it could easily be made of some flexible plastic on a substrate.

Have you been to a shop to hold the product or you are just guessing based on a picture?

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  • $\begingroup$ Thank you for your answer. What do you mean flexible plastic on a substrate? $\endgroup$
    – mds
    Feb 23, 2022 at 21:16
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As CBRF23 mentioned, I think it's screen printing. This involves pushing ink through a porous mesh. For circular parts such as this, the part would be rotating along the screen as a squeegee pushed the ink through the screen and onto the part.

This is a good example of how this process can be accomplished:

https://www.youtube.com/watch?v=Ozy9LWwyMiw

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