Double Ball Joint is a versatile mechanical joint model designed for 3D visualization, prototyping, product design, DIY projects, and 3D printing applications. The design features a compact spherical joint with multiple connection points, making it suitable for creating articulated mechanisms, adjustable structures, robotics parts, toys, and custom mechanical assemblies.

The model is provided in several popular 3D formats, including BLEND, OBJ, FBX, and GLB, making it easy to use in Blender, game engines, visualization projects, and other 3D software.

An STL file is included for 3D printing. The model can be printed using common FDM or resin 3D printers. Depending on your printer, material, nozzle size, layer height, and desired joint tolerance, some scaling or minor dimensional adjustments may be required to achieve the best movement and fit.

This is a digital 3D product only. No physical product, printed parts, hardware, or materials are included.

Included Files:

• BLEND
• OBJ
• FBX
• GLB
• STL

Suggested 3D Printing Size:

For a good balance between strength, detail, and printability, a ball diameter of approximately 20–30 mm is recommended. Larger sizes can provide better joint movement and easier printing, while smaller sizes may require more precise printer settings and tolerances.