The Triple Arm Gear Spinner is a mechanical fidget toy designed with three rotating arms and interlocking gear details that create a satisfying spinning motion and a visually engaging mechanical design.

Each arm features precision modeled gear structures and decorative edges, giving the spinner a strong mechanical aesthetic inspired by engineering mechanisms and desk gadgets.

This model works perfectly as a 3D printable mechanical toy, suitable for hobbyists, engineering demonstrations, desk toys, and educational mechanical projects.

Ideal for:

• desk toys and fidget gadgets• engineering demonstrations• mechanical design projects• STEM learning and maker projects• collectible mechanical gadgets

3D Printing

The model is optimized for FDM and resin printing.

• clean manifold geometry• interlocking gear design• scalable dimensions for different sizes• compatible with most slicers

File formats

• STL• 3MF• AMF

Suitable for PLA and other standard 3D printing materials.