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A couple techniques I used the article doesn't mention:

- Molds: in my case for silicone joints for high pressure environments.

- Flexible filaments/TPU: custom shaped joints to make boxes rainproof. Custom elastic straps with a seam in the box makes for a very nice alternative to screws.

- Triboplastics: self-lubricating polymers that can be used as bearings.

https://www.igus.com/3d-print-material/3d-print-filament



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