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Veneer cutting and laying: The Aesthetics of Grain Feature Pattern and Colour

Cutting and grain
The beauty and natural warmth of wood is timeless. From rich, deep colours and a swirling grain, to the simple elegance of pale, light textured timber, it is a material that never goes out of style.

There are basically two methods of slicing decorative veneers, the difference being defined by the way in which the flitch is placed in the slicer. Dependent on the angle of the cutting blade relative to the growth rings of the flitch or log, so varying veneer grain patterns can be produced. These patterns include: Quarter Cut, Crown Cut and Cathedral Cut.

Rotary Peeling of Veneers
An alternative method of producing decorative veneers to slicing is rotary peeling. Veneers are produced by rotating a log mounted on a lathe against a cutting blade. Rotary peeling is commonly used for plywood production where the veneer is used as a ply layer.

Feature and Pattern
A variety of features and patterns occur in wood which are categorised under the headings of, grain, texture, figure and knots.

Grain can be straight, curving, sloping, wavy, rippled, wavy, curly or interlocking. Grain refers to the wood tissue growth direction and is often evident when wood is split as splitting direction generally follows the grain character.

Texture is described as being fine or course, even or uneven. It is determined by the size and arrangement of the cell matrix and variations in density of the wood tissue.

Figure refers to the decorative markings on the surface of timber which are produced by variations in wood tissue density and colour. Figure has been described as burled, fiddleback, birds eye, ribboned and striped.

Knots are produced by stress and growth character differences found where branching occurs. The knots also record variations in hardness of the wood.

Veneer leaves can be matched and joined in a variety of ways to achieve different grain pattern effects. Some of these are shown below.

Feature & Pattern Veneer matching and layons
Plain

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Slip - matched
Burl 1 Central pattern matched
Burl_2 Book matched
Birdseye Butt matched
Fiddleback Herring bone pattern
Wavy grain Diamond & reverse diamond pattern
Blackheart Sassafras  
Stress marks  
Branch knots  
Pin knots  
Resin Streaks  
Hobnail streaks  


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School of Architecture,
University of Tasmania.

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