I HAVE A THEORY ABOUT WHY THERE ARE CAMS IN FNAF 3 IN VENTS. SO DO YOU REMEMBER WHEN PHONE GUY ON FNAF 3 SAYS THAT ONE OF THE REASONS THAT THERE ARE CAMERAS IN THE BUILDING MAKES OUT IN THE CORNER? WELL IF SPRINGTRAP CAN FIT IN THE VENTS, PEOPLE CAN. SO HERE’S THE CONCLUSION: IT’S FOR NO ONE DOES ANYTHING IN THE VENTS.