This single-file application is built with a high-performance vanilla JavaScript architecture, styled with Tailwind CSS for a professional "SaaS" aesthetic, and includes real-time physics calculations for the drumstick model. ```html Free Drumstick Rebound & Pivot Point Estimator Tool

Drumstick Rebound & Pivot Point Estimator

Analyze balance dynamics and mechanical response.

Stick Geometry Preview

Fulcrum

Pivot Point

0 cm

Rebound Score

0

Power Index

0