Morgan Graff’s “Strides,” a collection of nearly 40 glass spheres containing images of the history of the Hanger Orthopedic Group will be unveiled on Wednesday March 23 at 10:30 am at the company’s new Austin headquarters. The $10,000 commission was awarded to Mr. Graff through “ARTroduction to Austin,” Hanger’s high-profile arts sponsorship as PR event last fall.