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A Butterfly joint is a type of joint used either to hold two or more wooden boards together or to keep two halves of a board that have already started to split from splitting further. They may also be used to stabilize the core of a knothole, preventing it from dropping out over time.

A butterfly joint resembles two dovetails connected at the narrow part. A negative of the hole is cut out of the board the butterfly will be placed in and the butterfly is then fitted, keeping the joint together. The wood used for the butterfly is usually a contrasting wood, often walnut.

Butterfly joints are common in the work of George Nakashima.^{citation needed}

External links

• A simple illustration of a butterfly joint
• A George Nakashima table with a butterfly joint to stop a split

This article about joinery, woodworking joints, carpentry or woodworking is a stub. You can help Wikipedia by expanding it.

Wikipedia content modification information:

• This page was last modified on 3 November 2008, at 22:31.

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