# Submitting for production From NewPCB open PCB, view it and menu File->Plot Click "Plot" and click "Generate Drill File" another window will open. Click "Drill file". ZIP seeedstudio to a file zip -r /tmp/ulx3s-pcb.zip seeedstudio Open [Seeedstudio PCB production](https://www.seeedstudio.com/fusion_pcb.html) page, select 4-layer board, click "Add your gerber file" and upload this zip file then click on "Gerber Viewer" to see what will be produced.