We take the resulting accordion and bring it to the surface of the walls. Gently straighten the first fold and glue it to the base. With one hand we continue to straighten the fold and apply it along the length of the wall to the corner. With the second hand, smoothing the newly glued tape. Moreover, it is desirable to smooth it in the direction from the center to the edges. The second border is applied in the same way from the corner, but the drawing with the previous one is previously combined. You need to apply it «overlap». So, gradually make with all the ribbons.
