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this post was submitted on 25 Apr 2024
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I was wondering about that. Considering with ABS a little acetone makes a stronger overall part.
I was thinking maybe the dovetail would be good in that situation for strength but maybe something like a biscuit or peg and hole as mentioned is better?
I think the video is better as a way to show some design techniques, than as a demonstration of dovetails as a connector.
That being said, if you didn't need a permanent connection, it does seem like a decent way to make something that can come apart easily. Wondering how strong it would be after multiple assembles and disassembles.
I’ve done some dovetails for a puzzle design before. They were meant to assemble and disassemble in multiple orientations.
Depending on the layer line directions the problem I had was getting the fit tight enough to not fall apart, but not too tight to remove. I abandoned it because the PLA absorbed water and they became stuck after sitting in humidity for a few days.