What are the practical tools of set design that helen should use? helen, a set designer, is preparing a set for a play. in one scene, she needs to show the exterior of a hotel with steps leading up to it from the street level. for this scene, she should use . in another scene, she needs to move two groups of actors around the stage quickly, switching from one group to the other. for this scene, she should use a . 1. a. platform b. scrim c. turntable 2. a. scrim b. turntable c. cyclorama