Artist Doug Mock will offer a Composition and Design Workshop from 10 a.m. to 4 p.m. Saturday and Sunday, April 27 and 28, at Arts on Main in Gloucester.

Students will learn the importance of creating art that takes advantage of strong composition and design, said a press release. Artists will study the elements and principles of design, how to assess photos (or plein air sites) to ensure strong works of art, and how to best plan a work of art for success. 

The workshop does not include physical painting, but Mock will have hands-on exercises to reinforce learning. Attendees are asked to bring at least six photos, preferably ones they’ve taken themselves, that they think would make great paintings. The photos should be 8.5 x 11 inches.

Mock regularly judges mixed-media art exhibits, said the release, and he evaluates and critiques art based upon the artist’s understanding of and utilization of strong composition.

The class is open to artists of all skill levels and all med...