Try this setup: Tissue.c4d
Ask anything you don't understand.
Play with these parameters:
Matrix - Seed, Count (0-6)
Polygon Reduction - Reduction Strength (65-99), Preserve 3D Boundaries (on/off)
Remesh - (on/off)
Sphere - Segments (18-25), Type (Icosahedron, Tetrahedron, Octahedron)
Other sourses:
Trypogen Plugin (R25 - S26)
Trypogen II (R21-S26)
Trypo Lite
DualGraph Plugin
DualMesh (SceneNodes)