'Stained Glass Panel with Quarries and a Female Head', about 1320-4 © Victoria and Albert Museum, London

The three Magi before Herod, France, early 15th century. Stained glass: colored glass, grisaille; lead. Restored by F. Pivet, 1999.

在完成大幅作品之前，许多艺术家会用黑白习作来实验光影。《衣着习作》'Drapery Study (possibly study for Saint Matthew and an Angel)' 很有可能是米开朗基罗的老师Domenico Ghirlandaio的作品，这一类的习作经常被重复使用在不同的绘画与壁画上。这也是雕刻家准备大型雕塑常用的方法，因为利用黑白习作可以事先看到效果，防止在耗费耗时耗力之余才发现构图出现问题而功亏一篑。