load (draw)$ batchload("../../../Maxima/maximalib"); orangelist1 : [ ]; mesh1 : make_my_mesh(5, 3, 10, 10, orangelist1); draw2d ( file_name = "alt_53", terminal = png, dimensions = [200, 120], user_preamble = ["set noborder"], xtics = false, ytics = false, proportional_axes = xy, line_width = 2, mesh1 )$