Blue of crystalline lakes, fuchsia and purple in the twilight, radiant sunshine yellow, neutral shades like sand... These summer moods are echoed in the graphic and dynamic visuals created by industrial designer Arnaud Pfeffer for Bongenie Grieder. Between optical effects, hypnotic shapes and movement on water, each composition is an interpretation of these summer atmospheres, created using a particular technique. Enter the artist's universe and discover the robotic movements that have shaped each drawing to perfection.