Moebius Ribbon (k=3)

695 days ago by Zenol

var('t v'); k = 3; parametric_plot3d(( (2+t*cos(v*k))*cos(2*v), (2+t*cos(v*k))*sin(2*v), t*sin(v*k)), (t, -1, 1), (v, 0, 3.14));