Creating Splines from Poly-Volume?

Hi there,

does Blender offer the possibility to create Splines inside a polygonal Mesh (maybe via plugin)? Like in this video:

http://www.cyberradiance.com/hairfarm/tutorials/?f=user_Lee_Perry_Smith_longhair

Thanks and kindest regards,
Daniel

I assume you are talking about hair. Blender use particle to build hair and not volume.