revise the built in bookshelves design to simplify the millwork detailing replace the current ornate traditional crown molding at the top with a flat stock cap the top should be clean and modern no stepped profiles no dentil no layered crown just a simple flat horizontal board square edge minimal projection at the arch remove the traditional decorative applied molding profile replace it with a simple half round applied molding following the curve of the arch the half round should be clean minimal and consistent in thickness no compound curves or classical detailing overall aesthetic modern simplified minimal millwork detailing avoid traditional colonial or ornate trim styles keep proportions balanced and refined
