What is arris timber knot?

An Arris timber knot is a type of defect found in timber, characterized by a knot that is formed where a branch has grown from the trunk of a tree. This knot can affect the structural integrity and aesthetic quality of the wood, as it may impact how the timber can be used in construction or woodworking. Arris timber knots can vary in size and shape, and their presence can influence the grading of the wood. In some cases, they can also add unique visual interest to finished products.