In her drawings and canvases, an overall form-often a standing portrait, a disembodied head or an animal-presents a complex site where pattern, mechanics, and portraiture co-mingle. The simple overall forms unlock as limbs are rendered unhinged, torsos and knees open, and a dark dreamy realm of interior compartments reveals itself. Van Bart’s deceptively crude imagery implies a proto-mechanical interior landscape of switches, protruding beams, containers, gatherings of clouds and architecture…