ContourPlot3D[-1. x^2 z^3 - 0.1125 y^2 z^3 + (-1. + x^2 + 2.25 y^2 + z^2)^3 == 0., {x, -1.5, 1.5}, {y, -1.5, 1.5}, {z, -1, 1.5}]

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