Medusa Nodes is an add-on and Geometry Nodes-based system for procedural hair generation and deformation in Blender. It features a custom physical dynamics solver using Verlet integration for simulating hair movement. The system operates through a custom hierarchy panel where users can add, view, and modify various hair deformers, including Guide, Clump, Noise, Curl, Braid, Children, and Trim node groups.

To optimize performance during sculpting and procedural modeling, the add-on includes a freezing system that caches spline generation to minimize redundant calculations. The toolset relies on region and parting maps for styling control and exposes ColorRamp and FloatCurve widgets directly in the add-on interface. Development is currently in beta status with some reported stability limitations.