HELIX COMMAND

HELIX COMMAND LI TYPE
TYPE 12.5 ENTER SPECIFY TOP RADIUS TYPE 12.5 ENTER
MOUSE RIGHT CLICK AND OPTION TURN HEIGHT PER CLICK
4 MM TYPE AND 100MM ENTER 2MM KA CIRCLE
2MM KA JO CIRCLE HAI USE SWEEP KARNA HAI
KAISE TYPE SEEP SELECT OBJECT CIRCLE AND ENTER (SELECT OBJECT TO SWEEP)
ENTER KE SELECT SWEEP TO PATH AND ENTER