Many “steam” CANSim insturument replicas are made based on real-life 3 1/8 inch (80 mm) and 2 1/4 inch (57 mm) instruments.
3 1/8 inch (80 mm) dimensions and cutouts
3 1/8 inch (80 mm) instrument front bezel
2 1/4 inch (57 mm) dimensions and cutouts
2 1/4 inch (57 mm) instrument front bezel