Box kite

A build-yourself old school box kite, made up of square frames, lengthwise tendons, corner locks, and stiffeners - all together nine different types of parts. Fairly heavy looking build but parts are hollow from the inside (not including the joint sections and stiffeners).
Corner locks serve three functions: tying the corners together, attaching the wing material (inside corner), knot places for tying the yarn on the kite (in a variation of ways).

This was a fast project and even faster ins