However, getting them to hang just right is a different matter ... it by aligning the hinges and installing the hinge pins. Test the swing of the door. If it sticks along the top or side, use ...

[Dino] continues his to satisfy his weekly hacking goal by building a cat door for his pets ... A piece of piano hinge makes it easy to swing in both directions. The final touch is a magnet ...

A hinge is a simple mechanism close mechanismA ... Hinges let one object, such as a door or the lid of a box, swing open and closed while they are fastened to another object.