NIU engineering students (from left) Caeden Keith, Stefan Nyholm and Svilen Batchkarov pose with their project and professor Tariq Shamim at NIU’s Senior Design Day on May 6. The team built a full-scale (10m long) mockup of PIP-II’s HB650 cryomodule for use fit checking and preparing test stand and accelerator locations for the real cryomodule.