I tend to agree about them not being ideal, except that it really depends on the hair-style. I still need to investigate it further, but as far as I know, the shape/position of the polygons only seems to affect the position/number of guide-hairs... although they would likely also play a part in the number of per-polygon hairs within a growth group. Anyway, that mesh seems to work fine for some hair-styles, but I guess I can just make new caps in C4D to remove any distribution problems.

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