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Naturally occurring decorative patterns in wood, caused either by growth increments or tissue orientation. finger joint. Also called a comb joint or box joint. finishing firmer A strong chisel for general work or mortising; may have square sides or bevels on both sides. fishtail chisel. Also called a gouge. A chisel or gouge with a splayed end ...
The origin of the term arris is from the Latin arista, meaning the beard or the ear of grain or the bone of a fish. See also arête. An arris rail is a structural element, whose cross section is a 45 degree isosceles right angled triangle. Arris rails are usually made of wood, and are manufactured by cutting a length of square-section timber ...
Arris A sharp edge created when two surfaces converge; this includes the raised edge between two flutes on a column or pilaster, if that edge is sharp. Arris Rail A type of rail, often wooden, with a cross-section resembling an isosceles triangle. [1] Arrowslit A thin vertical aperture in a fortification through which an archer can launch arrows.
6 3 knot: 6 3: 6a1 4 8 10 2 12 6 [2112] 123456:236145 1231\45642356 1231\45236456 Seven crossings. Picture Alexander– ...
Pretzel link knot – in knot theory, a branch of mathematics, a pretzel link is a special kind of link; Prusik knot – friction hitch or knot used to put a loop of cord around a rope; Portuguese bowline a.k.a. French bowline – variant of the bowline with two loops that are adjustable in size; Portuguese whipping – a type of whipping knot
Girih patterns can be created in a variety of ways, including the traditional straightedge and compass construction; the construction of a grid of polygons; and the use of a set of girih tiles with lines drawn on them: the lines form the pattern. Patterns may be elaborated by the use of two levels of design, as at the 1453 Darb-e Imam shrine.
Knot patterns first appeared in the third and fourth centuries AD and can be seen in Roman floor mosaics of that time. Interesting developments in the artistic use of interlaced knot patterns are found in Byzantine architecture and book illumination , Coptic art , Celtic art, Islamic art , Kievan Rus' book illumination, Ethiopian art , and ...
A monkey's fist knot is essentially a 3-dimensional representation of the Borromean rings, albeit with three layers, in most cases. [41] Sculptor John Robinson has made artworks with three equilateral triangles made out of sheet metal , linked to form Borromean rings and resembling a three-dimensional version of the valknut.