Small Ball Joint
Print Profile(1)
Description
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Design
This small ball joint is universally applicable and perfect for all kinds of mounts and DIY projects – e.g., for sensors, small cameras, LEDs, or other lightweight components
The total height of the joint is 31 mm, the square base plate has a side length of 26 mm, and the distance between the two mounting holes is 24 mm This keeps the joint compact, yet it can be screwed on stably
Assembly
The hole in the ball is dimensioned so that a 3 mm self-tapping screw holds securely and the joint can still be easily adjusted
When assembling, make sure to slide the cap nut over the ball first before finally tightening everything – this keeps the joint movable and allows for fine adjustment later
Print
I used PLA Basic – which works great and is completely sufficient in terms of stability for the intended purpose
Depending on the load or place of use, you can of course also experiment with other materials, but for most indoor applications, PLA is more than enough
Links
Screw M3x8 mm *: https://amzn.to/4g9G75f
Screw M3x20mm *: https://amzn.to/46q9JYI
Neodymium Magnets Extra Strong, 15X3mm *: https://amzn.to/3MCfkEf
Neodymium Magnets Extra Strong, 15 x 3mm *: https://amzn.to/4aWtoSk
Countersunk Torx Screw M3x10 *: https://amzn.to/3MXi5jq
Update:
18.02.2026 Base with magnet (15x3mm) added
I still had the magnets lying around, but standard 15x3 mm magnets also fit
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Note
All links with "*" are Amazon affiliate links. You are supporting my work at no extra cost to you.
All devices were purchased and paid for by myself.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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