- The mosaic are precut cardboard wrapped in aluminum kitchen foil.
Step 1: they painted the board and, while it dryed, they made the aluminum mosiaic pieces.
Step 2: glue a rectangle the size of a photo in the middle and make a frame around it with the mosaic pieces.
Step 3: Using a not sharp pencil to emboss a pattern on each piece.
Step 4: Using a sponge to smear paint gently on each peice so that the paint gets in the emboss pattern.