<?xml version="1.0"?>
<!DOCTYPE scene SYSTEM "scene.dtd">
<Scene renderer="StdRenderer" width="400" height="400" supersampling="2x2" gaussian="true">
<Camera>
    <Perspective fov="40.0"/>
    <LookAt eye="0, 0, -5" reference="0, 0, 0" up="0.0, 1.0, 0.0"/>
</Camera>
<Background color="0.5, 0.5, 0.8"/>
<PointLight location="0, 0, -6" color="0.6, 0.6, 0.6"/>
<PointLight location="4, 15, 0" color="0.6, 0.6, 0.6"/>
<PointLight location="0, 0, 15" color="0.65, 0.65, 0.65"/>
<PointLight location="15, 0, 0" color="0.55, 0.55, 0.55"/>
<Plastic diffuse="0.5" specular="0.6" roughness="0.04"/>
<Algebraic color="0.1372, 0.557, 0.1372"
    equation="x^{4} +2x^{2}z^{2} - 0.36x^{2}-y^{4} + 0.25y^{2} + z^{4} = 0"/>
</Scene>