Apex represents a groundbreaking advancement in vernier caliper design, integrating Time-of-Flight (ToF) sensors with precision-engineered aluminum extrusion. This innovation enables highly accurate measurements of up to 20 inches in length and an unprecedented 2 meters in depth. Developed as a submission for the AEC Aluminum Extrusion Design Competition, Apex redefines the capabilities of traditional calipers through cutting-edge technology and materials engineering.