When Allegro generates Gerber data, it is saved by default in the same directory path as the PCB file, and the Gerber data itself generates several files, which are then mixed with PCB files, log files, temporary files and so on, not easy to pack Gerber data, A better approach is to generate Gerber data into the specified directory, and submit it to the factory directly with zip compression, without missing or error.
We can specify a save directory to generate Gerber data files by setting "User Preferences".
Menu bar "Setup", "User Preferences ...", "file_management", "Output_dir", set the "Value" content of the "Ads_sdart" item to the specified directory name, such as " Gerber ", when the Gerber data operation is generated, the" Gerber "folder is automatically generated in the PCB file directory under which all Gerber files generated are saved.
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Cadence Allegro tips for specifying the Gerber generation path