[1] His skill brought him to the attention of an agent of the Elector, "Augustus the Strong", who called him to Dresden to complete an unfinished equestrian sculpture that had been left by the late sculptor François Coudray (1678–1727).
A model in gilded plaster and a bronze reduction (Dresden, Grünes Gewölbe) preserve the design of this scheme: Augustus, now King of Poland is shown in Roman armour, gripping the baton of power, on a rearing horse, stabilized by a massive tail.
Retired for safety during World War II, the sculpture survived the Dresden Firestorm unscathed and was restored and re-erected on a new plinth in 1956.
A bronze Apollo Leaning on his Lyre (Dresden Skulpturensammlung) was repeated in marble; a reduced terracotta version is at the Musée du Louvre.
For the chapel of St. Francis Xavier in the Church of St-Paul-St-Louis in the Marais district of Paris, he was commissioned to provide a sculpture illustrating religious zeal, a pendant to the sculpture of Nicolas-Sébastien Adam, called "Adam le jeune", Religion Instructing an Indian; the result was Le Zèle, an angel whipping a fallen heathen among the debris of idolatry, holding open a large folio representing the Gospel.