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The M3 self-tapping screws that you can easily buy have about 6.3mm of full threads, which is enough to grab 3mm of materials, and 3mm of the corner piece. In my own case, the M3 self-tapping is very secure.I find 3mm of 3d printed part a good point between size and strength, at least for SLS. How does the 3mm FDM part feel?It seems like I need to increase the size a bit to accommodate an M2.5, however I'd rather not. Have you tried pulling off the corner piece?In your picture, the panels didn't sit flush. Is this due to the printing tolerance?
The M3 self-tapping screws that you can easily buy have about 6.3mm of full threads, which is enough to grab 3mm of materials, and 3mm of the corner piece. In my own case, the M3 self-tapping is very secure.
I find 3mm of 3d printed part a good point between size and strength, at least for SLS. How does the 3mm FDM part feel?
It seems like I need to increase the size a bit to accommodate an M2.5, however I'd rather not. Have you tried pulling off the corner piece?
In your picture, the panels didn't sit flush. Is this due to the printing tolerance?