World scale
$enum.world_scale:description$
Constants
enum.world_scale.CUSTOM- $enum.world_scale.custom:description$
enum.world_scale.H0- H0 scale (1:87)
enum.world_scale.N- N scale (1:160)
enum.world_scale.TT- TT scale (1:120)
enum.world_scale.Z- Z scale (1:220)