how to fill hinge slots
How to Fix a Squeaky Door | Angi
With both hinge levers fully open (if the hinge lever is at 90 degrees to the door, that would be closed), carefully ease door into the opening, aiming to place the Alignment Pin into the Alignment Slot on one hinge.
How to Fix an Oven Door Hinge
To resolve this issue, you need to carefully align the hinge with the correct slot in the oven door frame and then lift the small hinge leg or locking tab.
How to Make a Death Star Mailbox : 9 Steps (with Pictures) - Instructables
To accurately position the hinge I used my angle grinder with a thin cutting disc to cut along the top of the rectangle only, and then welded the hinge into position at the centre of the top of the door ...