https://www.kingliving.co.uk/shop/living/sofas/1977 
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Collection of Kingliving: http://3ddd.ru/collection/shared/5339469 
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This is a modular sofa, and you can create a new sofa by rearranging each part. Also it's useful for kid's room.
My similar products: https://3ddd.ru/3dmodels/show/kingliving_modular_1977_sofa 
https://3ddd.ru/3dmodels/show/kingliving_1977_sofa 
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Unit: cm
Poly(sofa1): 80705
X: 407.005 cm
Y: 223.62 cm
Z: 71.923 cm
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Poly(sofa2): 69242
X: 318.929 cm
Y: 288.411 cm
Z: 71.158 cm
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Poly(sofa3, tow seater): 31918
X: 196.857 cm
Y: 97.967 cm
Z: 71.923 cm
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There are 7 materials, no groups and layers.