FIELD: optical instruments manufacturing. SUBSTANCE: method includes thin film flexible bends ends fixing round circle along circle diameter and perpendicular to earth gravity force taking into account setting value of gravity deflection. After full paraboloid making by sufficient number of bends arrangement bends ends are welding and unnecessary one are cutting off from reverse side. EFFECT: method gives possibility to construct big parabolic reflectors for solar energy plants and radiotelescopes radiation concentration. 5 cl, 2 dwg
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