Veins of a mulberry tree leaf
Veins of a beech tree leaf
Bubbles trapped in ice. None is round.
Fragmentation of a compound filament composed of a non-viscous core (water, blue) and a viscous shell (oil)
Dislocation of a suspension: particles are separated by pinch-off
Pinch-off of a bidisperse suspension
Pinch-off of a suspension of particles dispersed in a polymer solution