We are working hard on the next Alpha version for the Makehuman (open source, free 3d modeller) project (Alpha 3):
Alpha3 should include a hair library:
But we are running late because of long modelling times required to produce 3D hair, so we need community help.
If you have done a 3D polygonal hair model for a character, please consider donating it (only the hair) to our project. You will be included in our contributor list, with a link to your site.
The total number of models we need for Alpha3 is not very high: 10 should be enough. But the quality level should be medium/high (as a reference for the sort of quality level we are seeking see: http://digitalbabes.jp/ ).