I'll do a test of two to see what can be done but for a quick answer it seems if you just spammed a bunch of splines /converted to polys / then mesh if you need them to be mesh, perhaps add a subd modifier into the splines if converting to poly's/mesh down grades them as you show in your example image. Then after the…
David,that mesh is not obtained by the spline,is the hair & fur option to convert it to mesh. Same with the splines,is the hair & fur option to convert to spline(and I just gave it some thickness so that is visible in the render). And in both cases,it is converting the hair & fur into something that look different,like if…