Venus at the Forge of Vulcan, also known as “Thetis receives the Arms of Achilles”

The subject of Venus at Vulcan's forge — where the goddess of love commissions armour for her son Aeneas (or, in the Achilles variant, where Thetis requests arms for her son) — was among the canonical mythological subjects of Flemish Baroque painting. It combined the erotic beauty of Venus with the powerful physical activity of the forge, creating a contrast between grace and labour that painters exploited for dramatic and compositional effect. Van Thulden's treatment in the Yale University Art Gallery — identified both as Venus and Thetis depending on scholarly reading of the maternal figure — draws on an iconographic tradition transmitted through Titian, Rubens, and van Dyck. The forge setting gave painters the opportunity to depict multiple male figures in motion — Vulcan's Cyclopes hammering at the anvil — alongside the serene female visitor, creating a rich variety of physical types.

The composition divides between the fiery forge interior — dramatic chiaroscuro, muscular figures in motion — and the luminous goddess figure who interrupts the labour. Van Thulden uses the contrast of fire-light and ambient light to structure the space. The armour being crafted provides the compositional link between the divine request and its artisanal fulfilment.