underdrawing

the artist used an underdrawing to plan the composition.

many paintings reveal their underdrawing through x-ray analysis.

understanding the underdrawing can provide insight into the artist's process.

the underdrawing was carefully executed with charcoal.

art conservators often study the underdrawing for restoration purposes.

the underdrawing serves as a guide for the final painting.

she was fascinated by the intricate details of the underdrawing.

artists often make corrections in the underdrawing before painting.

the underdrawing can sometimes be seen through the paint layers.

studying underdrawings can reveal changes made during the creation of the artwork.