If you selected to export the Gerbers with a "Decimal Digit" of "1". This means that the accuracy of your gerber files is only to 1 decimal place (i.e 1/10th inch), and your gerber files coordinates will be rounded down.
For example, if a coordinate in your gerber file was meant to be 2.24 inches, it would be rounded to 1 decimal place of accuracy, resulting in 2.2 inch. Note: This is typically the case when you view your resulting gerbers in a "gerber viewer" and see many weird geometries.
We recommend exporting all gerber files and NC drills with at least 5+ decimal accuracy.
Solution: The Gerber format specifications recommends to export ALL Gerber files with at least 6 "decimal digits" and you will always be fine.
Source Gerber format specifications since June 2015:
For example, if a coordinate in your gerber file was meant to be 2.24 inches, it would be rounded to 1 decimal place of accuracy, resulting in 2.2 inch.
Note: This is typically the case when you view your resulting gerbers in a "gerber viewer" and see many weird geometries.
We recommend exporting all gerber files and NC drills with at least 5+ decimal accuracy.
Solution: The Gerber format specifications recommends to export ALL Gerber files with at least 6 "decimal digits" and you will always be fine.
Source Gerber format specifications since June 2015:
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