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A wycinanka pattern from Lublin, 1915. Vytynanky (Витина́нки) in Ukraine or Wycinanki ([vɨt͡ɕiˈnaŋkʲi]) in Poland or Vycinanki (Выцінанкі) in Belarus, is a Slavic version of the art form of papercutting, popular in Belarus, Poland, and Ukraine.
In manufacturing industry, nesting refers to the process of laying out cutting patterns to minimize the raw material waste. [1] Examples include manufacturing parts from flat raw material such as sheet metal, glass sheets, cloth rolls, cutting parts from steel bars, etc. Such process can also be applied to additive manufacturing, such as 3D ...
In general, the number of possible patterns grows exponentially as a function of m, the number of orders. As the number of orders increases, it may therefore become impractical to enumerate the possible cutting patterns. An alternative approach uses delayed column-generation. This method solves the cutting-stock problem by starting with just a ...
The puzzle die is a flat board, often made from plywood, with slots cut or burned in the same shape as the knives that are used. The knives are set into the slots and covered in a compressible material, typically foam rubber, which ejects the cut puzzle pieces. The cutting process is similar to making shaped cookies with a cookie cutter.
A single-cut file has one set of parallel teeth while a cross-cut or double-cut file has a second set of cuts forming diamond shaped cutting surfaces. [1] In Swiss-pattern files the teeth are cut at a shallower angle, and are graded by number, with a number 1 file being coarser than a number 2, etc.
Three patterns for pants (2022) Pattern making is taught on a scale of 1:4, to conserve paper. Storage of patterns Fitting a nettle/canvas-fabric on a dress form. In sewing and fashion design, a pattern is the template from which the parts of a garment are traced onto woven or knitted fabrics before being cut out and assembled.
A jigsaw is a reciprocating saw that can cut irregular curves, such as stenciled designs, in wood, metal, or other materials. Jigsaws first emerged in the 19th century [1] and employed a treadle to operate the blade, which was thin and under tension, being secured at both ends to an oscillating frame. This kind of saw is now usually called a ...
A joggling or jostling board is a long, pliable board that is supported on each end by wooden stands. The board is springy and a person sitting on it can easily bounce up and down. The board is springy and a person sitting on it can easily bounce up and down.