Here you can define the geometrical properties of individual fiber types. All fiber options listed here can be separately set for each fiber type. Up to eight different object types may be added to the same structure.

The fiber type parameters are organized and listed in three columns. In the left one define the Fiber Type together with it's percentage and material, the center one shows a cross-section of the chosen fiber type and in the right one you can edit the fiber parameters. In the bottom you find the options to choose additional fiber types and how the fiber percentage should be given.