modella

…a small oil sketch, or modella, for his client’s approval before carrying out a large-scale commission. Siting problems peculiar to mural painting, such as spectator eye level and the scale, style, and function of a building interior, had first to be solved in preparatory drawings and sometimes with the use…

, an oil sketch painted by Rubens on a small panel, after which he would make preparatory drawings of individual figures within the composition. The execution of the full-scale work would often be entrusted to assistants, though Rubens would usually paint key areas and thoroughly retouch the…