<?xml version="1.0"?>
<!DOCTYPE scene SYSTEM "scene.dtd">
<Scene renderer="StdRenderer" width="400" height="400" supersampling="2x2" gaussian="true">
<Camera>
    <Perspective fov="45.0"/>
    <LookAt eye="4, 0, 6" reference="0, 0, 0" up="0.0, 1.0, 0.0"/>
</Camera>
<Background color="0.0, 0.0, 0.0"/>
<PointLight location="7, 0, 10" color="1.0, 1.0, 1.0"/>
<Matte diffuse="0.90"/>
<Algebraic color="1, 0, 0"
    equation="x^{4} + y^{4} + z^{4} + 1 - x^{2} - y^{2} - z^{2} - y^{2}z^{2} - z^{2}x^{2} - x^{2}y^{2} = 0"/>
</Scene>