ffn_cellsim · S6 · native Nc≈266k + collagen-I 3000 fibers

The MCF7 cell recruits its collagen-I matrix

Top-down view. The cell's bound focal-adhesion clutches (cyan footprint) grip collagen fibers and pull them as the cortex contracts — watch the fibers under the cell light up with displacement over ~100 s. Traction-driven: with clutches off the matrix stays frozen.

native · full compartments · traction-driven (audit → 0) · gripped-node 266 nm, peak 586 nm