Check out Moda Bakeshop - it is loaded with pre-cut easy projects - you would be surprised how much is there - also check Bonnie Hunters blog - she uses scraps but her patterns are step by step with pics so very easy to follow along - Bonnie has a pattern called scrappy bargello - your layer cakes would work for that. Another good site with pre-cut patterns is Missouri Star Quilt Co - they have tons of charm pack and layer cake patterns - you could make a lot with your layer cakes - good luck and don't forget to show us your quilt.