Hi Albrecht, Your Mandelmania_2 image is has some incredible decorations deep in it's interior. Here are 6 zooms into within it - each is slow but worth the wait at the highest screen resolution you can render. (Others can do 1 per day until Jim's next FOTD!) 6man2007 { ; The Loop ; t= 1:35:45.53 on a P4 2Gh at ; 1600x1200 Image Copyright 2003 ; by Lee H. Skinner ver=2002 ; Version 2002 Patchlevel 5 reset=2002 type=formula formulafile=fractint.frm formulaname=multifrac_231 ismand=y function=exp/sin passes=1 center-mag=-0.74972315211951650/+0.02481825860743003/\ 72541.3/1/127.500000000303231/-1.26165855540705252e-0\ 10 params=-0.5/0.375/1536/2048/513/1025/10/20/2560/2560 float=y maxiter=2048 inside=atan outside=tdis logmap=130 symmetry=none periodicity=0 rseed=-2436 cyclerange=2/255 colors=000t7mbOq<4>TYtR_tPau<2>JgvHiwGiw<3>EguDftCft<\ 3>9dr<9>XjsZktalt<3>kouqpv<24>NJIMHGLGE<2>HC9FA7FB7<1\ 4>ASDATEAUE9VF9WF8YG<11>KYGLYGMYGNYGPZH<25>mgCnhCohB<\ 2>riBsjAtj8uj5vj3wk0wie<3>wbUwaRw_OwYLwWI<5>ZKHUIHQGG\ <3>88F<23>YH3ZI3_I2<2>bJ1dK0dK3<9>YPcYPgXQk<3>USz<3>U\ TxUTxTTw<2>TUvTVuUUu<13>pBoq9os8n<3>z2lx3lv5lu6l<7>dN\ q } 6man2011 { ; Armored Alien Cat ; t= 1:30:35.31 on a P4 2Gh at ; 1600x1200 Image Copyright 2003 ; by Lee H. Skinner ver=2002 ; Version 2002 Patchlevel 5 reset=2002 type=formula formulafile=fractint.frm formulaname=multifrac_231 ismand=y function=exp/sin passes=1 center-mag=-0.74975205273119960/+0.02476611845170080/\ 213023/1/10.0000000008315482/-2.48079404241430268e-01\ 1 params=-0.5/0.375/1536/2048/513/1025/10/20/2560/2560 float=y maxiter=2048 inside=atan outside=tdis logmap=130 symmetry=none periodicity=0 rseed=-2436 cyclerange=2/255 colors=000t7mhJp<7>TYtR_tPau<2>JgvHiwGiw<3>EguDftCft<\ 3>9dr<9>XjsZktalt<3>kouqpv<24>NJIMHGLGE<2>HC9FA7FB7<1\ 4>ASDATEAUE9VF9WF8YG<11>KYGLYGMYGNYGPZH<25>mgCnhCohB<\ 2>riBsjAtj8uj5vj3wk0wie<3>wbUwaRw_OwYLwWI<5>ZKHUIHQGG\ <3>88F<23>YH3ZI3_I2<2>bJ1dK0dK3<9>YPcYPgXQk<3>USz<3>U\ TxUTxTTw<2>TUvTVuUUu<13>pBoq9os8n<3>z2lx3lv5lu6l<4>jH\ o } 6man2019 { ; Bridge at Sunset ; t= 2:36:21.95 on a P4 2Gh at ; 1600x1200 Image Copyright 2003 ; by Lee H. Skinner ver=2002 ; Version 2002 Patchlevel 5 reset=2002 type=formula formulafile=fractint.frm formulaname=multifrac_231 ismand=y function=exp/sin passes=1 center-mag=-0.75120259115298190/+0.02789073887719203/\ 931414.9/1/104.999999999328068/6.55907092528273949e-0\ 10 params=-0.5/0.375/1536/2048/513/1025/10/20/2560/2560 float=y maxiter=2048 inside=atan outside=tdis logmap=103 symmetry=none periodicity=0 rseed=-2436 colors=000d3g<6>h3hi3hj3h<4>l3im3in3io3io3i<9>v3kv3kw\ 3k<3>z2lx3lv5lu6l<14>TYtR_tPau<2>JgvHiwGiw<3>EguDftCf\ t<3>9dr<3>IgrLhrOis<5>epuhqvkrv<3>wwx<7>kfaidZhaW<2>c\ WNaTK`SK<6>RKFQJEOHD<3>JDAHC9FA7<3>EE8EF9EG9<12>JTEKU\ EKVELWFLXF<3>MYGNYGNYG<17>ZaF_bF_bF`bFabFbcE<2>idE0fz\ meD<3>wfDzgCvdC<3>fRCbNCbMC<3>aEE`DF`BF<3>Z3I<3>h2Nk2\ Om2P<2>u1T<5>uFHuHFuKD<2>uR7vU5uT6<11>bCT`BV_9X<2>V5b\ T3dT3d<6>Y3eY3eY3e<4>a3fb3fc3gc3g } 6man2024 { ; Two Lakes on an Island ; t= 1:37:21.04 on a P4 2Gh at ; 1600x1200 Image Copyright 2003 ; by Lee H. Skinner ver=2002 ; Version 2002 Patchlevel 5 reset=2002 type=formula formulafile=fractint.frm formulaname=multifrac_231 ismand=y function=exp/sin passes=1 center-mag=-0.75120288140370270/+0.02789007532474884/\ 6.033303e+007/1/-157.499999725484884/-3.8376537125905\ 9407e-007 params=-0.5/0.375/1536/2048/513/1025/10/20/2560/2560 float=y maxiter=2048 inside=atan outside=tdis logmap=103 symmetry=none periodicity=0 rseed=-2436 colors=000u5P<3>uFHuHFuKD<2>uR7vU5uT6<11>bCT`BV_9X<2>\ V5bT3dT3d<6>Y3eY3eY3e<4>a3fb3fc3gc3gd3gd3g<5>h3hi3hj3\ h<4>l3im3in3io3io3i<9>v3kv3kw3k<3>z2lx3lv5lu6l<14>TYt\ R_tPau<2>JgvHiwGiw<3>EguDftCft<3>9dr<3>IgrLhrOis<5>ep\ uhqvkrv<3>wwx<7>kfaidZhaW<2>cWNaTK`SK<6>RKFQJEOHD<3>J\ DAHC9FA7<3>EE8EF9EG9<12>JTEKUEKVELWFLXF<3>MYGNYGNYG<1\ 7>ZaF_bF_bF`bFabFbcE<2>idE0fzmeD<3>wfDzgCvdC<3>fRCbNC\ bMC<3>aEE`DF`BF<3>Z3I<8>u1Tu3R } 6man2027 { ; Bridge over Stream in Autumn ; t= 1:34:03.21 on a P4 2Gh at ; 1600x1200 Image Copyright 2003 ; by Lee H. Skinner ver=2002 ; Version 2002 Patchlevel 5 reset=2002 type=formula formulafile=fractint.frm formulaname=multifrac_231 ismand=y function=exp/sin passes=1 center-mag=-0.75118277187009590/+0.02798686571056446/\ 3.244683e+007/1/85.0000000148912136/-1.29913059893072\ 003e-008 params=-0.5/0.375/1536/2048/513/1025/10/20/2560/2560 float=y maxiter=2048 inside=atan outside=tdis logmap=103 symmetry=none periodicity=0 rseed=-2436 colors=000_3f<13>h3hi3hj3h<4>l3im3in3io3io3i<9>v3kv3k\ w3k<3>z2lx3lv5lu6l<14>TYtR_tPau<2>JgvHiwGiw<3>EguDftC\ ft<3>9dr<3>IgrLhrOis<5>epuhqvkrv<3>wwx<7>kfaidZhaW<2>\ cWNaTK`SK<6>RKFQJEOHD<3>JDAHC9FA7<3>EE8EF9EG9<12>JTEK\ UEKVELWFLXF<3>MYGNYGNYG<17>ZaF_bF_bF`bFabFbcE<3>kdEme\ DpeD<3>zgC<3>jUCfRCbNC<3>aGEaEE`DF`BF`9G<7>n67p66r55<\ 3>z30<17>gBOfBPeCRdCSbDUaDU`EVZFY<3>QTpOXuL`zV3e<3>X3\ eY3eY3eY3eZ3e } 6man2032 { ; Mother Pac-Velociraptor and 3 chicks ; t= 2:18:16.95 on a P4 2Gh at ; 1600x1200 Image Copyright 2003 ; by Lee H. Skinner ver=2002 ; Version 2002 Patchlevel 5 reset=2002 type=formula formulafile=fractint.frm formulaname=multifrac_231 ismand=y function=exp/sin passes=1 center-mag=-0.75118276428785270/+0.02798673221643937/\ 1.293256e+008/1/7.49999935172774457/4.631570167112908\ 36e-007 params=-0.5/0.375/1536/2048/513/1025/10/20/2560/2560 float=y maxiter=2048 inside=atan outside=tdis logmap=103 symmetry=none periodicity=0 rseed=-2436 colors=000_3f<13>h3hi3hj3h<4>l3im3in3io3io3i<9>v3kv3k\ w3k<3>z2lx3lv5lu6l<14>TYtR_tPau<2>JgvHiwGiw<3>EguDftC\ ft<3>9dr<3>IgrLhrOis<5>epuhqvkrv<3>wwx<7>kfaidZhaW<2>\ cWNaTK`SK<6>RKFQJEOHD<3>JDAHC9FA7<3>EE8EF9EG9<12>JTEK\ UEKVELWFLXF<3>MYGNYGNYG<17>ZaF_bF_bF`bFabFbcE<3>kdEme\ DpeD<3>zgC<3>jUCfRCbNC<3>aGEaEE`DF`BF`9G<7>n67p66r55<\ 3>z30<17>gBOfBPeCRdCSbDUaDU`EVZFY<3>QTpOXuL`zV3e<3>X3\ eY3eY3eY3eZ3e } And a repeat of your formula: frm:Multifrac_231 { ; Albrecht Niekamp March,03 ;real(p2) factor ;imag(p2) bailout ;real(p3) maxiter1 ;imag(p3) maxiter2 ;real(p4) inside1: 1_mandel 2_julia 3_expmandel 4_expjulia ; other: *10_soft julia transitions <0_outside=exp ;imag(p4) inside2: 1_mandel 2_julia 3_expmandel 4_expjulia ; other: *10_soft mandel transitions <0_no inside1 ;real(p5) border1 ;imag(p5) border2 fac=real(p2) ba=imag(p2) out1=real(p3) out2=imag(p3) b1=real(p5) b2=imag(p5) d1=real(p4) d2=imag(p4) vb=(d1<0) If (vb) d1=d1*-1 endif tj=(d1<10) if (tj==0) d1=d1/10 endif v1=(d1==3) v2=(d1==4) d1=(d1==2)+(d1==4) st=(d2<0) if (st) d2=d2*-1 endif mj=(d2<10) if (mj==0) d2=d2/10 endif v3=(d2==3) v4=(d2==4) d2=(d2==2)+(d2==4) t=0 start=2-st if (ismand) z=0 c=pixel else c=p1 z=pixel endif : if (vb) z=(z+real(c))^(z+imag(c)) else z=z^2+c endif bo=|z| if (start) t=t+1 if (start==2) if ((t>out1)+(bo>=b1)) u=2*(fn1(t/fac)) if (d1) if (tj) z=pixel endif c=p1*u vb=v2 else z=z*u c=z if (mj) z=0 endif vb=v1 endif start=1 t=0 endif else if (t>out2)+(bo>=b2) u=2*(fn2(t/fac)) if (d2) if (tj) z=pixel endif c=p1*u vb=v4 else z=z*u c=z if (mj) z=0 endif vb=v3 endif start=0 endif endif endif bo<=ba }