Outline layer format

I am using Keysight’s ADS to gerber my boards, and the outline layer is simply another gerber file with a single rectangle.
DKRed rejected it saying that there is no outline layer. I know that the automated tool does not seem to recognise it, even if I select it as the “outline” file.

Is the outline in a special format? Is it more than just throwing on an “outline” extension?

Hi @KeithB, thank you for your post. Can you share your files in a .zip so I can take a closer look? I’ll send you a private message with my email address.


I talked to the board house. The outline file needs to be a line or trace that outlines the board, not a solid polygon.

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