Elements of furniture with dimensions similar to a polygonal transverse cross section, much smaller than the length dimension, are called beam elements.
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Fig. 4.45 Examples of working narrow planes of board elements along with increasing the thickness of the element |
Rod elements are characterised by circular, elliptic, oval or similar to circular cross sections. They mostly occur as straight and curved. Figure 4.47 shows some examples of finished beam and rod elements: laminated board of the top board, laminated board of the slide, decorative strip of the side wall, bottom horizontal rail and support of a dresser (rod element). Some of them are a decoration and complement the design of the furniture piece, and others such as legs, columns and frames constitute the strength and stiffness of the designed system. Curved elements can be made as a result of bending wood, rattan or bamboo shoots after hydrothermal treatment, and these are usually bars, rims, semi-rims, support legs, seat frames, connectors, etc. (Fig. 4.48). They can also be cut from a board or lumber according to a curved template (Fig. 4.49). Straight beam elements can also be obtained by gluing boards cut out from chipboards or also by incising the surfaces of boards, and then folding and gluing into uniform closed profiles (Fig. 4.50).
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Fig. 4.46 Examples of curved board elements: a element glued from layers, b woodwork board with profiled strips and (c, d) chipboard with incised grooves |
