NC program exmaple

%2path_cone

;Path 1: sqaure with round corners

;Path 2: semicircles + straight lines

;Path 2 with no motion at straight line ends when axes move along path 1

N0050 G00 G90 G60 X0 Y0 Z0 U0 V0 W0 Z1=200

N0090 X25 Y0 Z0 U5 V0 W0

N0110 G90 F20000

N0120 Z1=200 : G01 X25 Y-20 : G01 U5 V-5

N0130 Z1=200 : G02 X20 Y-25 R5 :

N0140 Z1=200 : G01 X-20 Y-25 : G02 U-5 V-5 R5

N0150 Z1=200 : G02 X-25 Y-20 R5 :

N0160 Z1=200 : G01 X-25 Y20 : G01 U-5 V5

N0170 Z1=200 : G02 X-20 Y25 R5 :

N0180 Z1=200 : G01 X20 Y25 : G02 U5 V5 R5

N0190 Z1=200 : G02 X25 Y20 R5 :

N0200 Z1=200 : G01 X25 Y0 : G01 U5 V0

N0210 X25 Y0 Z0 U5 V0 W0

N0250 G01 X0 Y0 U0 V0

N0260 M30