NOVELTY - The blade has a set of longitudinal composite elements (100) provided with a longitudinal composite unit including a fiber and resin layer (104) braided around a predetermined cross-sectional shape and a longitudinal outer surface corresponding to a portion of an exterior surface of an airfoil element. The longitudinal composite elements are assembled to form an interior structure assembly of the blade such that the outer surfaces of the composite elements form a majority of an airfoil surface of the blade with respect to the airfoil element.    USE - Composite three-bladed horizontal axis wind turbine blade.    ADVANTAGE - The blade varies bias angles of the over-braided fiber from the composite element to another composite element to provide the composite units with desired mechanical properties for a specific location in the blade. The blade determines and provides a desired fiber layer for the composite elements and an outer skin at an initial manufacturing facility away from an installation site to allow a set of generalized fixtures and tooling to be transported to the assembly site, thus eliminating damage to shoulder portions of the longitudinal composite elements for shipping or assembling purposes, and hence preventing replacement cost of the damaged element with no expensive engineering and manufacturing changes. The resin layer cures in ambient air or at relatively low temperature, thus simplifying production of the blade in temporary manufacturing facilities.    DETAILED DESCRIPTION - The fiber layer forms a continuous, contoured braided sleeve. INDEPENDENT CLAIMS are also included for the following:    (1) a method for manufacturing a wind turbine blade    (2) a kit for making a wind turbine blade.    DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of a wind turbine blade including a set of longitudinal composite elements.    Longitudinal composite elements (100)    Lightweight core of longitudinal composite elements (102)    Fiber and resin layer of longitudinal composite elements (104)    Outer skin (106)