by (click on download)
My entry for ’s Apo Challenge #158 [link]

This image is NOT STOCK and can therefore not be used, manipulated or published elsewhere without my permission. The flame is only for studies.
My parameters:

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<xform weight="0.5" color="0" linear3D="1" coefs="0 1 -1 0 0 2" opacity="1" />
<xform weight="0.5" color="0" linear3D="1" coefs="0 1 -1 0 0 -2" opacity="1" />
<xform weight="3" color="0" bipolar="1" coefs="0 1 -1 0 -1 0" post="-1 0 0 -1 0 0" bipolar_shift="0" opacity="1" />
<xform weight="0.5" color="0" pre_blur="10" splits="1" coefs="-3.051758 0 0 -3.051758 0 0" splits_x="0" splits_y="0" chaos="1 1 1 1 1 0 " opacity="1" />
<xform weight="2" color="0.5" symmetry="0.5" butterfly="0.3" coefs="1 0 0 1 0 0" chaos="1 1 1 1 0 0 " opacity="1" />
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</flame>