- Stretch a large piece loosely around a base of foam-core. Wrap it around the edges. Note: Some artists apply glue here and there to hold the foil in place better. I've not found it necessary, except to secure the excess foil at the back.
4. Try various mediums, acrylics, inks--anything that will stick to the foil. Antique the piece so the depressions have shadows, and brush highlights over the top edges if you wish.