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The aim is to develop a methodology for determining of warp runner length to design of the new modern fabrics with using classic tapestry weaves and tapestry weaves of a new kind. The technology of tapestry of new structures has been developed, which differs from the existing, first, by using a single warp beam on a loom, secondly, by maneuverability of replacement options of color design, that improving the performance of weaving machinery; has been developed a new kind of tapestry weaves - mixed tapestry, differs from existing warp and weft tapestries by a combination in its structure the main features warp and weft tapestries; created mathematical models which takes into account the influence of arrangements of warp and weft threads in fabrics of a complex structure on runner length of warp threads, the use of which helps to reduce breakage of warp threads in weaving; scientific researches formed the basis of the created software product, which allows: to visualize and correct the appearance of tapestry fabrics, to forecast warp runner length of different systems, reduce time and material costs for design. The scientific novelty of this work is to develop an effective technology for the production of competitive high-tech tapestries of new structures given artistic and coloristic design of different raw material content.