Mixer insert, static mixer and production method

A mixer insert for a static mixer, the mixer insert comprising:

• a plurality of mixing elements arranged behind one another along a longitudinal central axis, each of the mixing elements having a web arrangement comprising a plurality of intersecting or mutually adjoining webs, at least two mixing elements of the plurality of mixing elements being arranged behind one another along the longitudinal central axis have web arrangements that are rotated by an angle of rotation with respect to one another, a first group of the mutually adjoining webs of the web arrangement have a longitudinal extent extending in parallel with a grid plane that comprises the longitudinal central axis of the mixer insert, the first group of the mutually adjoining webs comprising a web structure close to a center that has webs at both sides of the grid plane with the webs forming a shape of an eight lying on a side or of two rhombuses or parallelograms arranged next to one another along the longitudinal central axis, and mutually adjoining webs each being arranged at different sides of the grid plane, and
• the mixer insert configured as a single-part component.