[2] The major contribution of Nuagist painting was to find (and encourage) transparency and depth in painting that the cold flatness of Geometric abstraction had rejected from the pictorial field.
René Duvillier's whirlpools, Frédéric Benrath's knots and volutes, Fernando Lerin's obscure forms reflected Nuagisme's openness to natural elements which can sometimes evoke clouds.
Nuagist painters embraced the imaginative faculties of natural effects, leading to painted abstract landscapes designed as a link between external nature and the internal landscape.
They do not reproduce skies in a figurative approach, but paint clouds for their vitality.
Materialism is also called into question by the Nuagist painters who expressed the fluidity of elusive spaces by blotting with a rag on freshly painted backgrounds.