ContourPlot3D[(x^4 - x^2 + y^2)^2 + z^2 = 0.04, {x, -1.3, 1.3},{y, -1, 1},{z, -1.2, 1.2}]

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.