3-way Lap Joint

Detail: The 3-way Lap Joint is an adaptation of the traditional Cross Joint. It involves multiple square members intersecting on a single plane, with parts of their intersection notched out to form the joint. Once assembled, this joint maintains an even thickness across all three intersecting members.

Process: This tenon involves three square wooden pieces, each angled at 60° relative to the others. Each piece is sawn to remove two-thirds of its thickness, and then they are joined together, resulting in a composite height equal to that of a single square piece of wood.

Material: Hardwood: Pine Wood, Elm, Teak, etc.

Origin: China

Number of Parts: 3 pieces

Period: Ming and Qing Dynasties (1368 A.D. - 1912 A.D.)

Detachability: Detachable

Automatable: Yes

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