Photo by Brian Williams/The Ottawa Herald

Insulation foam was used to make “Popping Sunflower” by Linda Wisely, Rantoul. Her work is one of 35 works of art by 17 area artists in the Ottawa Art Guild’s show, “Illusions.” The opening reception will be from 5:30 p.m. to 7 p.m. Friday at the Carnegie Cultural Center, Fifth and Main streets, Ottawa.