
return function(center, surface) -- cross of pipes
    local ce = surface.create_entity --save typing
    local fN = game.forces.neutral
    local direct = defines.direction
    ce{name = "pipe-to-ground", position = {center.x + (-4.0), center.y + (0.0)}, direction = direct.east, force = fN}
    ce{name = "pipe-to-ground", position = {center.x + (4.0), center.y + (0.0)}, direction = direct.west, force = fN}
    ce{name = "pipe", position = {center.x + (-3.0), center.y + (0.0)}, force = fN}
    ce{name = "pipe", position = {center.x + (-1.0), center.y + (0.0)}, force = fN}
    ce{name = "pipe", position = {center.x + (0.0), center.y + (0.0)}, force = fN}
    ce{name = "pipe", position = {center.x + (1.0), center.y + (0.0)}, force = fN}
    ce{name = "pipe", position = {center.x + (2.0), center.y + (0.0)}, force = fN}
end
