Fractal Design Define S "Snowflake" Custom Replacement Front Bezel Plate. Replace your factory Fractal Design Define S bezel with this custom "Snowflake" cnc machined bezel by Mnpctech. Triple "Snowflake" fan hole designs are 4.5" wide and will help improve airflow for your PC. The Define S factory bezel is manufacturer with molded from ABS Black plastic, which is very durable and resilient to cracking. Mnpctech modified "Define S" factory bezels will also allow you to mount three 120mm cooling fans inside the Define S bezel for push-pull or pull-push radiator cooling configurations.