This video tutorial is about gerber files. This video shows how to create and edit the gerber files. Before edit the gerber file, make sure that the PCB layout is correct. After that, make gerber file by selecting file the fabrication outputs then select gerber files. In Gerber setup we can edit the general, layouts, and drill drawing. In general we can edit units and formats. In layouts, we can choose which layer is shown. Here is the video: