How to Create G-Code in the PRO Version of the 2L Engraving Software. This Step 4 of the Tutorial shows how to create the output G-Code or NC file that is used by the cnc machines to machine or engrave components. The 2L inc. engraving software produces ISO standard G-Code that can be used to control virtually any cnc machine.View complete details at: https://www.2Linc.com