# Likely cause of bad/rough slices with Tough 2000?

**URL:** <https://forum.formlabs.com/t/likely-cause-of-bad-rough-slices-with-tough-2000/30989>\
**Category:** Form 2\
**Created:** [May 6, 2021, 3:58pm UTC](https://forum.formlabs.com/t/likely-cause-of-bad-rough-slices-with-tough-2000/30989 "2021-05-06T15:58:57Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![jrowberg](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.formlabs.com/jrowberg/32/17663_2.png) [@jrowberg](https://forum.formlabs.com/u/jrowberg)\
**Post date:** [May 6, 2021, 5:28pm UTC](https://forum.formlabs.com/t/likely-cause-of-bad-rough-slices-with-tough-2000/30989/3 "2021-05-06T17:28:20Z")

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Thanks, Bill. I also just stumbled across this post with some useful photos for reference: [Pictures of Prints with Dirty vs. Clean Optics (Form 2)](http://forum.formlabs.com/t/pictures-of-prints-with-dirty-vs-clean-optics-form-2/29188)

I’ll try to get things cleaned up and see how it goes.

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