OpenSCAD Joint Connectors v1.0

by MakerBlock, published

OpenSCAD Joint Connectors v1.0 by MakerBlock Oct 31, 2012

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Parametric OpenSCAD joint connectors. These can be used to create hinge connecting pieces that have anywhere from 0 degrees to 365 degrees of range of motion.

I used a similar syntax to Tony Buser's Pin Connectors ( http://www.thingiverse.com/thing:10541 ). At the moment the file is only somewhat documented, but I'm uploading a project soon that highlights how these can be used.

The parts I've printed with this system snap-fit tightly together with no additional work. There is usually enough friction to the connections that hinges can be positioned or, with light sanding, swing freely.

The included module, "joint_examples_with_descriptions_in_comments()" will create a set of example objects for you to try out.


  1. Specify parameters for joints
  2. Print
  3. Connect!

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I'm not sure the one with the round top is quite right. First, since the arms have no shoulders, there's no need for the top to be round. Second, it doesn't look quite round on the inside (I haven't built it yet, but I loaded it into OpenScad and looked at it carefully. Third, even if the roundness was needed, it should not continue past the three o'clock position. That cutout makes the part weaker for no good reason (that I can see). Fourth, if the roundness was needed, then it ought to continue 30 degrees past the vertical , or to the one o'clock position.


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OpenSCAD Voltron, Defender of the Thingiverse

I'd just made your snap-together sonic screwdriver for a colleague, and I'd been about to import the file into TinkerCad so I could pull out the connectors since they were so well done. As an eternal novice in the field, this was really impressive to see work so well, and I can see so many potential applications!

I'm glad they worked for you!

I use tony's pins and I have a use for these as well.  Great Job!

Oh, yeah, by the way, I used these connectors in OpenSCAD Voltron

OpenSCAD Voltron, Defender of the Thingiverse