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Easily Create Master-Quality Visualizations
Mathematica 6 provides all the tools to make it easy to create the world's best visualizations.
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ContourPlot3D[-x^2 + x^4 - y^2 + y^4 - z^2 + z^4 + 0.5, {x, -1.1, 

  1.1}, {y, -1.1, 1.1}, {z, -1.1, 1.1}, PlotPoints -> 32, 

 Mesh -> None, Contours -> {.1, 0, -.1, -.2}, Axes -> False, 

 Boxed -> False, BoundaryStyle -> Opacity[.2], 

 ContourStyle -> 

  Table[Directive[Specularity[White, 40], Opacity[i^1.2/4], 

    ColorData["SolarColors", i/4]], {i, 4}], 

 RegionFunction -> (#1 - #2 + #3 < .9 &), 

 Lighting -> {{"Point", White, {0, 0, 0}}, {"Directional", 

    GrayLevel[.4], {0, -2, 0}}}, ViewPoint -> {1, -4, 1}]
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