This model is a joint meant to be added to a model to articulate it. It has loose tolerances but may need supports. Scales up or down and provides a large range of motion.
Edit Joint: https://www.tinkercad.com/things/hArNyLC9FP2-copy-of-articulation/edit?sharecode=hSR7rSRjnaOW076qBTAsonFQ98wg5Q8WWrPJR1fsrlY