Abstract: A three dimensional border for providing a decorative appearance as a crown molding or chair rail that can be installed and removed without damaging the wall or the border. The border has an elongated panel, preferably made of styrofoam, with a front face and a rear face. A form is attached to the front face of the panel with a surface upon a which a decorative treatment can be applied. The rear face is attached to the wall by nails or hooks set in the wall forming a recess in the rear face of the panel as the border is pressed against the wall.