We can give to objects a sense of volume by
A fine line is used
Dots that are farther apart
Smaller dots seem further away
A shape that is coloured uniformly
A more dynamic form is coloured
Dots that are close together
make lighter ones.
to give detail.
gives a sensation of peace.
make darker areas.
while larger dots seem closer.
separating dots or placing them closer together.
in a disorderly fashion.