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I'm getting some really weird effects on my Gerber File outputs from Altium

Altium 18.1.9, using OutJob Files, here are my settings Gerber File Settings

My layers look completely normal with a copper pour for the ground plane like shown here

normal ground

However, when I export Gerber files, I get these bizarre lines through everything that seem like they would cause everything to be connected to ground, not good

I have no idea what is causing this, have any of you seen this before or have any suggestions for things to try? I'd appreciate any help!

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  • \$\begingroup\$ Did you try exporting the layer as PDF, or use some different gerber viewers to verify? Do all give the same result? \$\endgroup\$
    – Remco Vink
    Aug 28, 2018 at 13:03

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You're ADDING three mechanical layers to each copper plot. Don't do that.

Welcome, and thanks for the well-written question with all the information provided up front. +1

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    \$\begingroup\$ @Katie I think they originally provided that "feature" so you could add outlines etc. to the copper layer, but nowadays we usually provide the outlines as a separate Gerber (helping to ensure the board house doesn't forget to remove it and give you copper slivers around the outside) so I don't think it should ever be used (or rarely at best). \$\endgroup\$
    – Spehro Pefhany
    Aug 28, 2018 at 13:14

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