PREFABS.Wall_natural_diag =
{
  file   = "wall/gtd_wall_natural_diag.wad",
  map    = "MAP01",

  prob   = 150,

  group  = "natural_walls",

  where  = "diagonal",

  bound_z1 = 0,
  bound_z2 = 2,

  z_fit  = "stretch",
}

PREFABS.Wall_natural_diag2 =
{
  template = "Wall_natural_diag",
  map      = "MAP02",
}

PREFABS.Wall_natural_diag3 =
{
  template = "Wall_natural_diag",
  map      = "MAP03",
}
