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Simulations with no cohesion, a larger domain and variable density. (a) ρ = 2.5%, trichomes form a network of streams. Streams are broad and ill-defined at some places and narrow and focused at others; (b) ρ = 1.25%, streams still form, but are less defined; (c) ρ = 0.625%, the scale of the streams increases; (d) ρ = 0.3125%, very broad and diffuse streams form.
