for equiv what can do in wxdraw2d and ...3d just replace wxdraw2d or 3d by gr2d or gr3d and preface it by wxdraw(terminal='png,"file_name=",.. such as in example: wxdraw(terminal='png,file_name="dotted", gr2d(fill_color=gray84,ellipse(0,0,1,1,0,360), fill_color=grey77,color=gray20,line_width=2, ellipse(0,0,1,.23,180,180), line_type=dashes, ellipse(0,0,1,.23,0,180), proportional_axes='xy))