The bicuspid curve created using Sage software using the following code.


var('x y')
pl=implicit_plot((x^2-1)*(x-1)^2 + (y^2-1)^2, (x,-1.1,1.1), (y,-1.75,1.75), aspect_ratio=1.1,cmap='hsv',plot_points=100)
pl.save(os.path.join(SAGE_TMP, 'test.svg'), aspect_ratio=1.2)
Own work
Krishnavedala