How do I make the thousands of tiny holes in this industrial shell-tube heat exchanger?

Support Materials and Textures
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How do I make a metallic texture that includes the thousands of tiny little holes on the back wall of this industrial shell-tube heat exchanger?

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You definitely could model those, or you could use a PBR texture. It will be much faster and easier that way. Here’s some options:

https://texturebox.com/metal-hexagon-rusted-texture

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You can use voronoi texture with randomness set to zero, scale as high as you need add color ramp to get what you need. I am on mobile, so I can’t give you example…

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2022-04-04 14_51_01-
2022-04-04 14_51_01-1797×815 249 KB

I gotchu :slight_smile:
Yeah something like this would work too, it just won’t look as realistic as a PBR texture, although you could probably get it there procedurally eventually