Section of the best-fit GMF model in the plane y = 0, which is perpendicular to the Galactic plane and passes through the Sun (red star) and Galactic centre. Blue and orange regions are the magnetic arms, northern and southern toroidal field and the Local Bubble. The color map is the same as in Fig. 3. Black arrows show the direction of the X-shaped field. Red star marks the position of the Sun.