Project

Precision Fidget Spinner

Precision bat spinner with press-fit bearings and mass symmetry.

Overview

Bat-shaped fidget spinner designed for smooth, balanced spin. Focused on tolerances, press-fit bearing fits, and mass symmetry.

Final assembly was manufactured via laser engraving (plywood) and 3D printing (PLA) to practice different fabrication techniques.

Parts & Specs

Bearings
Press-fit ball bearing
Body
SolidWorks CAD model, 3D printed, laser engraved.
Balance
Mass-symmetry check + test spins
Precision Fidget Spinner — main image

Gallery