Crop Circles?

[th3t1ck]

I have downloaded some DXF files and then converted them to Gcode using LazyCAM. The problem I am having is that I end up with a bunch of circles (they look like crop circles made by aliens from outer space) when I run the Gcode in Mach3. I have attached a picture of a frog puzzle (frog_before) that I printed from DXF and another attachment of the same frog puzzle (frog_after) but this was the same DXF converted to GCode by LazyCAM and run on my CNC machine.
The roadrunner tap file that comes with Mach3 didn't put these weird circles in so I'm thinking it has to do with the way LazyCAM converts the DXF to GCode that is causing these circles. I have other DXF files that I have converted in the same fashion with the same crop circles.
My question is, why is the GCode introducing these circles? Or is something else wrong?

[ger21]

Try changing your IJ mode in General Config.

[th3t1ck]

Thanks for the super fast response. My IJ setting was inc, I changed it to absolute.
I still have the crop circles. Should I run Lazycam and redo the GCode?

[ger21]

Can you post the g-code?

[th3t1ck]

Here is the gcode that lazycam produced when I did the dxf to gcode conversion after changing the IJ setting in Mach3.

N5 (File Name = Dragon on Friday, August 26, 2011)
N10 (Default Mill Post)
N15 G91.1
N20 G0 Z1.0000
N25 M3
N30 X0.9421 Y2.5619
N35 Z0.1000
N40 G42
N45 G1 X0.9209 Y2.5602 Z0.0000 F60.00
N50 X1.1189 Y2.5764
N55 G0 Z1.0000
N60 X1.1053 Y2.7413
N65 Z0.1000
N70 G2 X1.1189 Y2.5764 Z0.0000 I-0.1924 J-0.0989
N75 G0 Z1.0000
N80 X1.1053 Y2.7413
N85 Z0.0000
N90 G1 X0.9030 Y3.1331
N95 G2 X0.9030 Y3.1331 I0.0087 J-0.0841
N100 G1 X0.3505 Y3.1306
N105 X0.5826 Y3.4910
N110 G2 X0.5826 Y3.4910 I-0.0851 J0.0071
N115 G1 X0.6744 Y4.4260
N120 X0.9336 Y4.9946
N125 G2 X0.9336 Y4.9946 I-0.0834 J-0.0167
N130 G1 X0.8767 Y5.3575
N135 X1.0679 Y5.3448
N140 G2 X1.0679 Y5.3448 I-0.0406 J0.0745
N145 G1 X2.1636 Y5.9211
N150 G0 Z1.0000
N155 X2.1678 Y6.0682
N160 Z0.1000
N165 G2 X2.1636 Y5.9211 Z0.0000 I-0.0441 J-0.0723
N170 G0 Z1.0000
N175 X2.1678 Y6.0682
N180 Z0.0000
N185 G1 X1.8372 Y6.2696
N190 G2 X1.8372 Y6.2696 I0.0450 J-0.0719
N195 G0 Z1.0000
N200 X0.9982 Y1.4067
N205 Z0.1000
N210 G2 X1.7471 Y6.2696 Z0.0000 I2.5154 J2.1017
N215 G0 Z1.0000
N220 X1.4725 Y1.1203
N225 Z0.1000
N230 G2 X0.9983 Y1.4068 Z0.0000 I0.1785 J0.8313
N235 G0 Z1.0000
N240 X1.4725 Y1.1203
N245 Z0.0000
N250 G1 X2.5384 Y0.8925
N255 G0 Z1.0000
N260 X2.6387 Y0.9962
N265 Z0.1000
N270 G2 X2.5384 Y0.8925 Z0.0000 I-0.0824 J-0.0207
N275 G0 Z1.0000
N280 X2.6387 Y0.9962
N285 Z0.0000
N290 G1 X2.5690 Y1.2733
N295 G0 Z1.0000
N300 X2.2741 Y1.5784
N305 Z0.1000
N310 G2 X2.5690 Y1.2733 Z0.0000 I-0.1174 J-0.4086
N315 G0 Z1.0000
N320 X2.2741 Y1.5784
N325 Z0.0000
N330 G1 X2.1321 Y1.6193
N335 X2.0641 Y1.5921
N340 X1.8618 Y1.3354
N345 X1.8168 Y1.7595
N350 G2 X1.8168 Y1.7595 I0.0005 J-0.0850
N355 G1 X1.5244 Y1.8352
N360 X0.9447 Y1.7000
N365 X1.1878 Y1.9831
N370 X1.2685 Y2.1054
N375 X1.3144 Y2.2899
N380 G2 X1.3144 Y2.2899 I-0.0758 J-0.0388
N385 G1 X1.1053 Y2.7413
N390 G0 Z1.0000
N395 X0.9795 Y2.8475
N400 Z0.1000
N405 G2 X1.1053 Y2.7412 Z0.0000 I-0.0659 J-0.2055
N410 G40
N415 G0 Z1.0000
N420 X0.9795 Y2.8475
N425 Z0.0000
N430 G1 X0.7220 Y2.5432
N435 G0 Z1.0000
N440 X4.0123 Y3.4595
N445 Z0.1000
N450 G42
N455 G1 X4.0038 Y3.4791 Z0.0000
N460 X4.0846 Y3.2972
N465 G2 X3.9333 Y3.2300 I-0.1566 J0.1488
N470 G1 X3.5754 Y3.2215
N475 G2 X2.8946 Y3.5360 I-0.0204 J0.8500
N480 G1 X2.3480 Y4.2101
N485 X2.2401 Y4.7498
N490 X2.3854 Y4.4098
N495 G2 X2.3854 Y4.4098 I0.0216 J0.0818
N500 G1 X2.9609 Y4.2194
N505 G2 X2.9609 Y4.2194 I-0.0438 J0.0728
N510 G1 X3.2456 Y4.3597
N515 G2 X3.2890 Y4.3724 I0.0448 J-0.0722
N520 G1 X3.6791 Y4.3724
N525 G2 X3.7140 Y4.3648 I-0.0003 J-0.0845
N530 G1 X3.8194 Y4.3180
N535 X4.0752 Y4.1829
N540 X4.5070 Y3.7782
N545 X4.7765 Y3.5896
N550 X5.2627 Y3.5080
N555 X5.4386 Y3.6108
N560 X5.5058 Y3.6304
N565 X5.5865 Y3.6159
N570 X5.9614 Y2.6095
N575 G0 Z1.0000
N580 X6.1739 Y2.5075
N585 Z0.1000
N590 G2 X5.9614 Y2.6095 Z0.0000 I-0.0531 J0.1617
N595 G0 Z1.0000
N600 X6.1739 Y2.5075
N605 Z0.0000
N610 G1 X6.5853 Y2.6452
N615 X6.0719 Y2.6988
N620 X6.3422 Y3.3465
N625 X5.9835 Y3.0600
N630 G2 X5.9172 Y3.0787 I-0.0264 J0.0333
N635 G1 X5.8024 Y3.4009
N640 X5.4386 Y4.0214
N645 X5.6537 Y3.8624
N650 G2 X5.6537 Y3.8624 I-0.0380 J0.0192
N655 G1 X5.8296 Y4.1021
N660 X5.8866 Y4.1217
N665 G2 X5.8866 Y4.1217 I-0.0415 J0.0092
N670 G1 X5.9350 Y4.2525
N675 G2 X5.9351 Y4.2525 I-0.0402 J-0.0145
N680 G1 X5.8993 Y4.3648
N685 G2 X5.9792 Y4.4795 I0.0796 J0.0297
N690 G1 X5.9911 Y4.4795
N695 X6.0047 Y4.5067
N700 G2 X6.0047 Y4.5067 I-0.0294 J-0.0301
N705 G1 X5.7837 Y4.7677
N710 G2 X5.7837 Y4.7677 I-0.0105 J-0.0414
N715 G1 X5.6766 Y4.7991
N720 G2 X5.6766 Y4.7991 I0.0249 J-0.0815
N725 G1 X5.4947 Y4.7549
N730 G2 X5.4633 Y4.7575 I-0.0125 J0.0407
N735 G1 X5.1547 Y4.9113
N740 X4.8844 Y4.9929
N745 X4.8122 Y5.0244
N750 G2 X4.7773 Y5.0524 I0.0341 J0.0780
N755 G1 X4.6966 Y5.1629
N760 G2 X4.6804 Y5.2046 I0.0680 J0.0503
N765 G1 X4.6762 Y5.2437
N770 G2 X4.7399 Y5.3346 I0.0847 J0.0084
N775 G1 X4.8096 Y5.3525
N780 G2 X4.8096 Y5.3524 I-0.0394 J0.0155
N785 G1 X4.8402 Y5.3805
N790 G2 X4.8402 Y5.3805 I-0.0687 J-0.0503
N795 G1 X4.6847 Y5.6601
N800 G2 X4.6847 Y5.6602 I-0.0275 J-0.0807
N805 G1 X4.2699 Y5.8183
N810 G2 X4.2214 Y5.8608 I0.0275 J0.0802
N815 G1 X4.1908 Y5.9220
N820 G2 X4.1908 Y5.9219 I-0.0557 J-0.0642
N825 G1 X4.0183 Y6.0783
N830 G2 X4.0183 Y6.0783 I-0.0010 J-0.0850
N835 G1 X3.5992 Y6.0996
N840 G2 X3.5176 Y6.1608 I-0.0002 J0.0848
N845 G1 X3.4811 Y6.2883
N850 X3.2516 Y6.1268
N855 G2 X3.1674 Y6.1200 I-0.0480 J0.0704
N860 G1 X2.9923 Y6.2008
N865 G2 X2.9779 Y6.3461 I0.0364 J0.0770
N870 G1 X3.1572 Y6.4770
N875 X3.1827 Y6.7014
N880 G2 X3.2601 Y6.7762 I0.0846 J-0.0101
N885 X6.0030 Y1.3761 I0.2536 J-3.2678
N890 X5.8594 Y1.4008 I-0.0645 J0.0550
N895 G1 X5.3927 Y2.6197
N900 G0 Z1.0000
N905 X4.7561 Y3.1509
N910 Z0.1000
N915 G2 X5.3928 Y2.6197 Z0.0000 I-0.1573 J-0.8357
N920 G0 Z1.0000
N925 X4.7561 Y3.1510
N930 Z0.0000
N935 G1 X4.2911 Y3.2385
N940 X3.9333 Y3.2300
N945 G2 X3.7786 Y3.2895 I-0.0058 J0.2158
N950 G40
N955 G1 X3.9231 Y3.6618
N960 G0 Z1.0000
N965 X4.3217 Y4.2619
N970 Z0.1000
N975 G1 X3.8721 Y4.5789 Z0.0000
N980 G2 X3.8721 Y4.5790 I-0.0204 J-0.0824
N985 G1 X3.5482 Y4.6657
N990 G2 X3.5355 Y4.6818 I0.0042 J0.0165
N995 G1 X3.5355 Y4.6877
N1000 G2 X3.5431 Y4.6937 I0.0062 J-0.0001
N1005 G1 X4.6685 Y4.4260
N1010 X5.1326 Y4.1684
N1015 G2 X5.1547 Y4.1310 I-0.0204 J-0.0373
N1020 G1 X5.1547 Y3.8888
N1025 G2 X5.1003 Y3.8479 I-0.0425 J0.0000
N1030 G1 X4.7841 Y3.9381
N1035 G2 X4.7705 Y3.9440 I0.0100 J0.0415
N1040 G1 X4.3217 Y4.2619
N1045 G0 Z1.0000
N1050 X5.0391 Y4.6691
N1055 Z0.1000
N1060 G1 X5.0952 Y4.6852 Z0.0000
N1065 G3 X5.0952 Y4.6852 I-0.0241 J-0.0347
N1070 G1 X5.1938 Y4.6359
N1075 G3 X5.1938 Y4.6359 I-0.0128 J0.0403
N1080 G1 X5.0306 Y4.5076
N1085 G3 X5.0306 Y4.5076 I0.0390 J0.0162
N1090 G1 X4.9533 Y4.5994
N1095 G3 X4.9533 Y4.5993 I0.0110 J-0.0407
N1100 G1 X5.0391 Y4.6691
N1105 G0 Z1.0000
N1110 X5.3893 Y3.9500
N1115 Z0.1000
N1120 G1 X5.4344 Y3.9160 Z0.0000
N1125 G2 X5.4378 Y3.9083 I-0.0051 J-0.0068
N1130 G1 X5.4267 Y3.7961
N1135 G2 X5.4123 Y3.7910 I-0.0084 J0.0008
N1140 G1 X5.3706 Y3.8327
N1145 X5.3366 Y3.8446
N1150 G2 X5.3307 Y3.8522 I0.0026 J0.0081
N1155 G1 X5.3307 Y3.9772
N1160 G2 X5.3443 Y3.9839 I0.0085 J-0.0000
N1165 G1 X5.3893 Y3.9500
N1170 G0 Z1.0000
N1175 X4.0081 Y5.3431
N1180 Z0.1000
N1185 G1 X4.1288 Y5.2623 Z0.0000
N1190 X3.3731 Y5.3975
N1195 X3.8865 Y5.4247
N1200 X4.0081 Y5.3431
N1205 G0 Z1.0000
N1210 X2.6047 Y6.3826
N1215 Z0.1000
N1220 G1 X2.7526 Y6.2067 Z0.0000
N1225 X2.6175 Y6.1532
N1230 X2.3480 Y6.2016
N1235 X2.2129 Y6.2067
N1240 X2.2673 Y6.4226
N1245 X2.3752 Y6.3691
N1250 X2.2936 Y6.5306
N1255 X2.4560 Y6.5578
N1260 X2.6047 Y6.3826
N1265 G0 Z1.0000
N1270 X4.2112 Y6.9470
N1275 Z0.1000
N1280 G2 X3.5134 Y0.0000 Z0.0000 I-0.6939 J-3.4388
N1285 G0 Z1.0000
N1290 X4.2112 Y6.9470
N1295 Z0.1000
N1300 G2 X3.9384 Y7.2803 Z0.0000 I0.0672 J0.3333
N1305 G1 X3.9384 Y7.6118
N1310 G0 Z1.0000
N1315 X3.0884
N1320 Z0.1000
N1325 G2 X3.9384 Z0.0000 I0.4250 J0.0000
N1330 G0 Z1.0000
N1335 X3.0884
N1340 Z0.0000
N1345 G1 Y7.2803
N1350 G2 X2.8164 Y6.9470 I-0.3401 J0.0000
N1355 G0 Z1.0000
N1360 X3.5134 Y0.0000
N1365 Z0.1000
N1370 G2 X2.8164 Y6.9471 Z0.0000 I-0.0054 J3.5079
N1375 G0 Z1.0000
N1380 X3.4607 Y7.4825
N1385 Z0.1000
N1390 G42
N1395 G1 X3.4683 Y7.5030 Z0.0000
N1400 X3.4233 Y7.3942
N1405 G2 X3.4232 Y7.3941 I0.0000 J0.1275
N1410 G0 Z1.0000
N1415 X3.6043 Y7.3941
N1420 Z0.1000
N1425 G2 X3.5134 Y7.3568 Z0.0000 I-0.0901 J0.0901
N1430 G40
N1435 G1 X3.5134 Y7.6118
N1440 G0 Z1.0000
N1445 X3.7684
N1450 Z0.1000
N1455 G2 Z0.0000 I-0.2550 J0.0000
N1460 G0 Z1.0000
N1465 M5
N1470 M30

[th3t1ck]

I was able to get rid of the circles using Lazycam. I went to "Tools" and ran "AutoClean" and "Optimize drawing". Then generated the Gcode again. Now it looks just like the dxf file.