FIELD: production of sectional furniture of different shape and purpose. SUBSTANCE: modular carcass may be connected to at least one part of furniture adapted to support object or user. Part of furniture has one or several interconnected modular blocks, each containing interconnected members, which define closed contour formed as prism with trapezium-shaped base. Different configurations of modular block are provided with different arrangement and number of parts, sizes and shape, with single unified part of modular block being trapezium-shaped base. EFFECT: wider operational capabilities, improved quality and operational characteristics of sectional furniture. 22 cl, 13 dwg
