Bidimensional fractal aggregates obtained by means of a 100% pasting process during collisions of particles submitted to a vertical field of gravity [Agrégats fractals bidimensionnels obtenus par collage de 100% des particules lors de leurs collisions, dans un champ de gravitation vertical]
.
See the final state.
See the particle trajectories.
See the same process with a 50% pasting.
See the tridimensional process.