This article contains exact ways of using the GERBERPanelizer which worked for me and generating combined GERBER for fabrication when your project is in KiCad. Please feel free to reach out or comment if you want more details for particular steps or see any error or have better ways to do it, please reach at vidit@kamui.tech In this example we have 2 Boards of 2 Layer Board. We will generate the GERBER, Combine them, export and prep the exported GERBER for fab Generate Files GERBER files from all boards Generate GERBERs with the following settings Generate Drill Files with the following settings Make sure all the files are in one folder as shown below Download and Open GERBER Panelizer. Can be found here https://github.com/ThisIsNotRocketScience/GerberTools/releases Merge using GERBERPanelizer Start New file Select as shown in photo and add the folder which has generated files You might not see anything added, do this to make it appear. See Note #1 to avoid this Add the next board