Nie wiem czy interpolację kołową uzyskasz ale jak zmienisz rodzaj prowadzenia freza na nurbs będziesz miał gładką ścieżkę. Kod wygląda tak:
12 L X-46.747 Y-28.038 FMAX
13 L Z60.011 FMAX
14 L Z42.282 FMAX
15 SPL X-48.039 Y-24.322 Z38.237 ~
K3X-5.6645E-001 K2X-2.4238E-001 K1X2.1006E+000 K3Y1.6297E+000 K2Y6.9731E-001 K1Y-6.0432E+000 K3Z-1.7738E+000 K2Z5.8959E+000 K1Z-7.7138E-002
16 L X-48.176 Y-23.927 Z38.231 F1611 M7
17 L X-48.313 Y-23.501 Z38.227
18 SPL X-48.766 Y-21.805 Z38.217 ~
K3X2.5814E-001 K2X-3.3818E-001 K1X5.3295E-001 K3Y9.6997E-002 K2Y-1.2881E-001 K1Y-1.6639E+000 K3Z5.2037E-002 K2Z-7.8000E-002 K1Z3.5311E-002
19 SPL X-49.333 Y-20.504 Z38.155 ~
K3X-8.8592E-002 K2X4.2796E-002 K1X6.1294E-001 K3Y-3.4900E-002 K2Y1.9768E-002 K1Y-1.2859E+000 K3Z-1.7784E-002 K2Z1.9216E-003 K1Z7.8181E-002
20 SPL X-50.103 Y-18.771 Z38.053 ~
K3X2.8454E-002 K2X-9.2094E-003 K1X7.5070E-001 K3Y1.6932E-002 K2Y-1.5619E-002 K1Y-1.7349E+000 K3Z6.2378E-004 K2Z1.5481E-003 K1Z9.9323E-002
21 SPL X-50.258 Y-18.389 Z38.033 ~
K3X-8.0987E-003 K2X2.3864E-002 K1X1.3925E-001 K3Y-6.9009E-003 K2Y1.9969E-002 K1Y-3.9521E-001 K3Z-1.3243E-003 K2Z4.0455E-003 K1Z1.7406E-002
22 SPL X-50.483 Y-17.834 Z38.001 ~
K3X7.2543E-002 K2X-1.6700E-001 K1X3.1920E-001 K3Y6.3389E-002 K2Y-1.4780E-001 K1Y-4.7023E-001 K3Z1.5960E-002 K2Z-3.9296E-002 K1Z5.6066E-002
23 L Z38.