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Hand calibration
Use your hand as a personal measuring reference for food portion estimation.
Calibration guide (what to photograph + what to measure)
Photo 1 (required): palm + fingers flat, fully visible.
Photo 2 (used for thickness): side view of palm + fingers (edge-on).
Measure in centimeters. Enter length always. If your installation uses 3D hand calibration, also enter width and thickness.
Version: 1.0.0