Fig. 1. Side view of an SrTiO₃(110) 4×1 founder slab. The schematic diagram includes the surface normal n, defect focus f, depth d and the surface atoms r_i with their mirrors images r^m_i. The white circle and radius r_cut represent a 2D slice of the local environment of the atom highlighted in purple. The fixed bulk-like anchor (red), the surface layers that can be accessed by the CMA-ES algorithm (blue) and their mirror layers (green) highlighted. The highlighting corresponds to a choice of d = 6 Å.