Ikon nesa na CNC na shirye-shirye shine nau'in kayan aikin mara waya da aka bayar ga masu haɓakawa don haɓakawa na biyu da sarrafa nesa na tsarin CNC ta hanyar fasahar sarrafa nesa ta mara waya.; Muna ba masu amfani da DLL Dynamic Link Library a ƙarƙashin yanayin ci gaban Windows, don masu haɓakawa su iya amfani da aikin sarrafa nesa don haɓaka na biyu, da kuma sanya shi dacewa da tsarin software na masu haɓakawa.