Exporting hair

Export	What you get	For
With the model (STL, 3MF, OBJ, GLB)	Each strand as a closed tube; thickened to 0.6 mm for STL and 3MF	Printing and general use
Hair curves	OBJ polylines with colours	Blender’s curves-to-hair
Hair cards	Two-sided OBJ strips per guide, an MTL and a strand texture with transparency	Game engines

A groom exports at most 20,000 strands as tubes.

Printing hair

Even at 0.6 mm, single strands are fragile. For prints, a sculpted clay beard or a few chunky locks usually works better than strands.