'draw'-VTK interface:
object polar

Once you have opened a Maxima session, load package draw and then set global variable draw_renderer to vtk:

load("draw") $
draw_renderer: 'vtk $

To read the documentation on object polar, write the following sentence:

describe(polar) $

A conchoid in polar coordinates:

draw2d(
   grid             = true,
   background_color = "#54af05",
   dimensions       = [500, 500],
   nticks           = 500,
   xrange           = [-2,  4],
   yrange           = [-15, 15],
   polar(2+sec(u), u, 0, 2*%pi) ) $

'draw'-VTK interface:object polar

'draw'-VTK interface:
object polar