Miss Fabia, the Younger, astonished at the Patrician's Double-knock

Begin with a light sketch of the overall composition, focusing on the placement of the figures and major objects.

Refine the sketch, adding details to the figures' poses, facial expressions, and clothing.

Start adding line work, defining the outlines of the figures and objects.

Use cross-hatching to create shadows and depth, varying the density of the lines to achieve different tones.

Pay attention to the direction of the light source and adjust the shading accordingly.

Add details to the background, such as the drapery and furniture.

Refine the line work and shading, adding finer details and textures.

Make final adjustments to the overall composition and contrast.