The UCAMCO viewer does not show UCAMCO spec files correctly?
So much for “standards” 
It did shows it correctly as you can see one circle was rotated 22.5 degrees around the macro’s origin. So looks like KiCad’s own viewer, tracespace viewer, ref viewer from ucamco all implemented correctly as per the Gerber spec rev 2020-09.
That looks correct though. Rotate the circle 22.5deg around the origin and you would have that. The modification was done at RAW level not generated by some package. Gerbv-2.6.1 outright ignores any rotation
2.6.1 is not the latest version of Gerbv. I’m curious how the test file will look in the newest Gerbv.
True, it is interesting it silently ignored the final parameter. I would have expected some form of warning as the aperture termination would have been incorrect against an old parser. This would imply it isn’t parsing correctly.
good question how it is viewed in the updated version.
Well, that was quick… my proposed change has been made already.
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Did you compile it yourself? I couldn’t find any binaries for windows.
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Just gave it a try using our CAM solution, https://aisler.net/PatrickFranken/playground/am-circle-rot-test-gerbers/board
Looks all fine. As said on the other thread, the fix was actually just two lines of code. So if there is any chance to patch the CAM software you are using, I could provide some insights.
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