Miter joint

A miter joint is a joint made by cutting each of two parts to be joined, across the main surface, usually at a 45° angle, to form a corner, usually to form a 90° angle, though it can comprise any angle greater than 0 degrees. It is called beveling when the angled cut is done on the side, although the resulting joint is still a miter joint.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 4.0

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