By the mid-15th century andachtsbilder were influencing large monumental works, a process James Snyder discusses in relation to major works such as Rogier van der Weyden's Prado Deposition, the Isenheim Altarpiece of Matthias Grünewald and the carved Altarpiece of the Holy Blood by Tilman Riemenschneider at Rothenburg ob der Tauber.