left and right sides of the poster. i ran one strip down each side to add a little strength to the poster and help it resist curling on the edges.
2. next, i created a false edge to the top and the bottom of the poster. this way i did not have to lose any of the image under the frame. to start, i ran the masking tape along the back of the poster leaving about half the width overhang the poster.
3. then, turn the poster over and run a strip of masking tape over the top of the other piece starting right along, but not touching the bottom edge of 