An oil on stretched linen canvas, a classic 19th-century French Impressionist work. The painting is composed entirely of thick, visible layers of oil paint and dynamic textures applied with a palette knife. The subject depicts a French artist painting en plein air on a paved terrace in Montmartre. She is rendered as a classic bohemian academic nude, her flesh tones developed from a sophisticated palette of warm ochres, shadows, and subtle olive hues. Her gesture is focused entirely on her work, holding a paintbrush with a loose, confident artist's grip as she applies a stroke to the canvas. In the background, the majestic white domes and the distinctive silhouette of the Sacré-Cœur Basilica stand out sharply in the upper part of the composition. On her wooden easel, her work-in-progress presents a brilliant mise en abyme, a thick oil sketch, executed wet-on-wet, depicting the exact same scene from behind, showing the nude artist at work, facing the basilica. The surface of the work reveals pictorial reliefs and a rich depth of pigments, avoiding any smooth or digital photographic appearance, in the style of Pierre-Auguste Renoir's mature period.