To place a frieze, position the stencil at the top of the wall, using a level to ensure it’s straight. Secure it in place with painter’s tape. Mark the bottom of the stencil with tape across the room. If needed, cover the ceiling or any woodwork with the tape as well. Pour a small amount of paint onto a paper plate, then gently dip your brush and blot it on a paper towel—keep it almost dry to avoid bleeding paint beneath the stencil.