Parametric Chopstick Trainer - Living Hinge

earn proper chopstick technique with this fully parametric, print-in-place chopstick trainer! Two smooth, rounded cradle blocks grip your chopsticks securely, connected by a flexible U-shaped living hinge that provides natural spring-back action. Simply slide your chopsticks into the bores and start practicing — the hinge keeps the sticks aligned while allowing the pivoting motion needed for picking up food.Designed for all skill levels — perfect for kids learning for the first time, adults switching from forks, or anyone who wants a better grip. Customize every dimension to fit your exact chopsticks!✏️ Customization GuideThis model is fully parametric — adjust these parameters in the OpenSCAD Customizer:Chopstick Settingschopstick_dia (4.0–10.0 mm) — Diameter of your chopsticks. Default: 7.0 mm for standard bamboo/wood chopsticksclearance (0.1–0.6 mm) — Fit tolerance. Use 0.3 mm for a snug press-fitCradle Settingscradle_length (12–40 mm) — How much of the chopstick is gripped. Longer