this post was submitted on 25 Apr 2024
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3DPrinting

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Modernizing the best Woodworking Joint to use for 3D Printing (youtu.be)
submitted 4 months ago by SzethFriendOfNimi@lemmy.world to c/3dprinting@lemmy.world
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[–] mipadaitu@lemmy.world 1 points 4 months ago (1 children)

Skeptical of this, while the dovetail is a good joint in woodworking, it's not really the best joint for most applications. Even drawer boxes.
Modern glues are so good, that just a normal box joint or even a rabbit joint is actually stronger when properly made.

While you can control the layer lines and orientation to some degree, I'm thinking that a dovetail, in real designs, would be extremely hard to implement. Peg and hole with CA glue is most likely better when splitting parts that are too big for a bed.

[–] obinice@lemmy.world 1 points 4 months ago

a normal box joint or even a rabbit joint is actually stronger

For anyone confused I looked it up, a rabbet joint is what they call a rebate joint in the USA. Learn something new every day! :-D

[–] FuglyDuck@lemmy.world 1 points 4 months ago (1 children)

Not to be a stickler, but a dove tail is a sliding joint- the dovetail itself is a trapezoidal section with the narrow side facing the part it’s on.

The slot is similarly cut so it slides into place.

This is (basically) a fat biscuit join, which is good. Peg designs might be better - prefer pyramidal pegs, they self center and have more surface area for glue, and they print neater when they have suboptimal orientation to the print bed.

[–] GreyEyedGhost@lemmy.ca 1 points 4 months ago

And this is, in fact, a dovetail. It slides into place. He just happened to do it on a curve. He shows it in motion at 4:00.