[OldRestorer]

4. Use the flat file to even out the sides and the round file for the curves if they are not square.  I found out through error that the bottom edges should be a bit tapered so the plastic does not crack or rip.
   

5.  Take the cut out you just made and the ¼” piece of wood and trace the inside onto the ¼” piece. Then cut out the insert. Sand the edges of the insert and fine sand the top and sides. They must be fine sanded or the plastic will pick up the detail.
   
6. On a clean surface place the UNCUT piece of ½” wood OR masonite down. Then attach the cutout to the center. Glue it, or screw it. You are attaching them so the center piece will not move off the base piece.
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7. Take the bottom of the template and place it on a clean surface. Then cut out a piece of plastic the size of the base of the template. Make sure to peel off the protective film….. Place the piece of plastic over the base template. Then take the top of the template and fit it so it is evenly spaced around the bottom half with the plastic in between.  Use as many clamps as needed to apply even pressure. The bottom lighter colored piece if wood is just for a flat surface...