POSCAR for slab defined by SURFACE card and Nslab and Vacuum_thickness_in_Angstrom in wt.in by WannierTools
1.0
    3.000000    0.000000    0.000000
    0.000000    4.000000    0.000000
    0.000000    0.000000   60.583544
X     
    10
Cartesian
    0.000000    0.000000   10.041772        X
    0.000000    0.000000   15.041772        X
    0.000000    0.000000   20.041772        X
    0.000000    0.000000   25.041772        X
    0.000000    0.000000   30.041772        X
    0.000000    0.000000   35.041772        X
    0.000000    0.000000   40.041772        X
    0.000000    0.000000   45.041772        X
    0.000000    0.000000   50.041772        X
    0.000000    0.000000   55.041772        X
