Frame speak by itself, two world one linear, another circular, you can zoom on the flame to have a excellent result also... fractal calculate on dos emultion, work fine but slow START PARAMETER FILE================================= cubic_circular { ; two geometric realm reset=2004 type=formula formulafile=ini__i3.frm formulaname=hasis center-mag=-2.33296/-0.00123659/13.62623/1.002 params=0/0/0/0 inside=0 potential=100/200/10 colors=@default.map } frm:hasis{ z=c=pixel: ac=cos(z)+(sqr(z)/sin(z)) ca=z^(z-1)*z^(z-2) d=z/4^(p2*z) z=(ac^ca)^(d-1)+pixel ;play add or minus parameter B |z|<4 } END PARAMETER FILE=====================================