Hair Tool is add-on for Blender that will help you generate hair-card based on 3d curves in non destructive way.
Hair Tool 2.41 for Blender 3.3 and above
Hair Tool 2.39 – from Blender 2.93 to 3.3
HT 2.27 – For Blender 2.92 and below)
There are multiple ways to generate hair-cards with Hair Tool:
Hair System – procedural hair generation based on Geometry Nodes (new from Dec 2022)
using guide mesh (grid surface)
using particle hair interactive grooming
by drawing hair strands (similar to Grease Pencil drawing)
using short hair modeling method (new – based on geonodes works only on Blender 3.3 and above)
Some of the features:
tools for curve based hair modeling (cutting, extending, deforming etc)
automated UV workflow (you can define uv regions, which can then be automatically assigned to hair strand)
easy hair rigging and animation with Jiggle physics
textured hair-cards preview directly on curve and mesh ribbons
hair library that contains various hairstyles,
go back and forth between curve and mesh ribbons in non destructive way
adjust ribbons profile (tapering radius, randomizing tilt, editing profile etc.)
convert: Curves to Particle Hair, Particle Hair to Curve ribbons, Curve ribbons to mesh ribbons and so on.
curve resampling and decimation (increases/decreases curve points count)
generating vertex color/weights gradients, transferring UVs and vertex weights from character to mesh haircards.
texture baking from curves, particle hair of Geometry Nodes hair; supports: normal, ao, diffuse, tangent, ID, root maps etc
build-in addon auto-updater