GBH Tool is a hair generation add-on built upon the new Blender hair system. It allows users to use curve, curves, or mesh objects as the base for a hair object. The tool supports the creation of various hair types, including hair strands, stylized hair meshes, and hair cards suitable for video game assets.

The add-on provides features for creating specific hairstyles like braids, curls, and rolls. It includes tools for vertex color-based hair distribution on surfaces and offers full UV map control. Users can convert hair objects to mesh, curve, curves, or particle systems. The tool also includes a library of pre-made node groups and sample materials, hair rigging with automatic weight painting, and hair card texture creation.