# Drifting issues Mini

**URL:** <https://forum.revopoint3d.com/t/drifting-issues-mini/28664>\
**Category:** Issues\
**Created:** [October 1, 2024, 5:14pm UTC](https://forum.revopoint3d.com/t/drifting-issues-mini/28664 "2024-10-01T17:14:08Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Researcher1212](https://avatars.discourse-cdn.com/v4/letter/r/34f0e0/32.png) [@Researcher1212](https://forum.revopoint3d.com/u/Researcher1212)\
**Post date:** [October 1, 2024, 8:26am UTC](https://forum.revopoint3d.com/t/drifting-issues-mini/28664/1 "2024-10-01T08:26:54Z")

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I’m currently using a Revopoint mini, but it needs to be calibrated again because during the scanning procedure it drifts away.  
The software shared by you to calibrate the scanner works better than the one present in RevoScan5 5.4.12, the drifting is less but it’s still present.  
How can I calibrate the scanner better? And what makes the scanner decalibrate over time?

Thank you

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**Author:** ![ivan](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.revopoint3d.com/ivan/32/16571_2.png) [@ivan](https://forum.revopoint3d.com/u/ivan)\
**Post date:** [October 1, 2024, 3:49pm UTC](https://forum.revopoint3d.com/t/drifting-issues-mini/28664/2 "2024-10-01T15:49:52Z")

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Hi!  
How do your scan settings/environment and the object look like?

Please check here first:

> [@Mini 2 Accuracy Check](https://forum.revopoint3d.com/t/mini-2-accuracy-check/25187/3):
>
> Hi @Rabin You can follow the information that Ivan posted above . To test out if your MINI 2 needs really calibration is easy , just use the marker mode and use markers on the turntable , if all markers turn red while rotating and you don’t get any errors on the real time screen , the calibration is still just fine . You should not calibrate your device unless you have specific issues with it Marker mode don’t works correctly is the first indicator . Lose tracking while scanning is not rel…

If you still have a drift and it is not "just"loosing tracking because lacking feature on your object (which calibration has no impact on) please let us know.

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**Author:** ![PUTV](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.revopoint3d.com/putv/32/15302_2.png) [@PUTV](https://forum.revopoint3d.com/u/PUTV)\
**Post date:** [October 1, 2024, 5:14pm UTC](https://forum.revopoint3d.com/t/drifting-issues-mini/28664/3 "2024-10-01T17:14:08Z")

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> [@Researcher1212](#):
>
> How can I calibrate the scanner better? And what makes the scanner decalibrate over time?

Drifting is issue related to object with no features , you need at least 3 features on a object at max 3cm apart visible all the time in a view

It is not a single line laser scanner  
But 3D structured light scanner that require features to be able to scan proper .

Try to scan objects that drifting using marker mode instead , that why it is there for .

Don’t calibrate if your marker mode working correctly .  
Proper calibration will affect marker mode as it needs it to work .  
Intensive shaking and bumping on the scanner can cause it to lose proper calibration. But in 95% it is always lack of features, wrong surface color or materials .

Blue light is absorbed by other colors so in this case any red/yellow tones was scan poorly, including oil based materials like plastic , rubber, wax, resin etc