# What must be adjusted to correct out of round circles

**URL:** <https://forums.maslowcnc.com/t/what-must-be-adjusted-to-correct-out-of-round-circles/3162>\
**Category:** Troubleshooting\
**Created:** [April 5, 2018, 10:57pm UTC](https://forums.maslowcnc.com/t/what-must-be-adjusted-to-correct-out-of-round-circles/3162 "2018-04-05T22:57:15Z")\
**Posts on this page:** 1\
**Showing post:** 138

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**Author:** ![ScrumdyBum](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/scrumdybum/32/4779_2.png) [@ScrumdyBum](https://forums.maslowcnc.com/u/ScrumdyBum)\
**Post date:** [August 26, 2018, 3:43am UTC](https://forums.maslowcnc.com/t/what-must-be-adjusted-to-correct-out-of-round-circles/3162/138 "2018-08-26T03:43:53Z")

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@Dustcloud I think you might be referring to this post

> [@Off in Y? Chain sag?](https://forums.maslowcnc.com/t/off-in-y-chain-sag/5565/79):
>
> For example: If you run calibration and you get a benchmark error average of 3 Rotational radius of 135 Chainsagcorrection of 28.5 Then you run the triangulation test cut pattern and get a benchmark error average of 6 Rotational radius of 123 Chainsagcorrection of 52.8 Then you up your rotational radius to 140 and get a benchmark average of .3 Rotational radius of 140 Chainsagcorrection of 52.8 If others could repeat that success, then were on to something. Edit: these are not actual …

This was just an example. Not the actual process I used. I just added an edit to the post to explain. Sorry if that threw you off and caused more work.

> [@Dustcloud](#):
>
> how do you reset the .ini file?

I usually just delete the ini. When you launch ground control it will create another one. I always wipe the eeprom too. Not sure if that is necessary though. You can make a copy of the .ini if you want to revert back to it later.

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