The box has an opening in the top, the hinge is basically a needle cut to size and passed through a hole drilled with my mini drill press.
Each side has been attached by glue.
The dimensions are 9x3.5x1 cm.
I've given a coat of protective varnish.
In the interior of the box I placed two strips of magnets, the kind that used to advertise on the refrigerators, as the knife is all metal. Help set the knife inside ....