This hinge is designed to be printed in place in any direction without supports with minimum of overhanging perimeters.

Let's look at the hinge in detail. First of all, the hinge design is available and customisable on onshape.

This is a section view of the hinge. Middle part of the hinge is diamond shaped. It is printable in this direction without supports because of shape.

There is a small face on a cone to improve adhesion when printed on side. Face size could be changed by Overlap parameter . If it is too loose for your design, you can adjust Parts distance parameter.

It is printable in following direction without supports and overhanging perimeters too.

Customisable parameters allows you create hinge of desired size. Test the hinge before use in your design.