> with(plots):with(plottools):

> implicitplot3d({x^2 + y^2- z^2 = 0, x^2 +z+ y^2 = 1},x=-1..1,y=-1..1,z = -1..1, numpoints = 5000,axes = boxed, lightmodel = light4, style = patchnogrid);

[Maple Plot]

> implicitplot3d({x^2 + y^2- z^2 = 0, x^2 +z+ y^2 = 1},x=-1..1,y=-1..1,z = -1..1, numpoints = 5000,axes = boxed, lightmodel = light2, style = patchnogrid, orientation = [130, 126]);

[Maple Plot]

> implicitplot3d({x^2 + y^2- z^2 = 0, x^2 +z+ y^2 = 1},x=-3..3,y=-3..3,z = -3..3, numpoints = 5000,axes = boxed, lightmodel = light2, style = patchnogrid, orientation = [130, 126]);

[Maple Plot]

>