[view3D(-5,5,-5,5,-3,3), S:=GetSurface( [u+i*v,sin(u)+cos(v)], pi*(-1+i),pi*(-1+i)), axes:=[ M(-5,0,0),M(5,0,0),jump, M(0,-5,0),M(0,5,0),jump, M(0,0,-3),M(0,0,3),jump], Build3D( [1, Rgb(0.74,0.73,1), S], [2, black, 8, axes] ), Display3D(), LineStyle:=dotted, Width:=8, Color:=black, Axes3D(0,0,0) ]