# Why are first layers so different in 0.1 & 0.05mm layer height?

**URL:** <https://forum.formlabs.com/t/why-are-first-layers-so-different-in-0-1-0-05mm-layer-height/35047>\
**Category:** Form 3/3+\
**Created:** [October 30, 2022, 9:51am UTC](https://forum.formlabs.com/t/why-are-first-layers-so-different-in-0-1-0-05mm-layer-height/35047 "2022-10-30T09:51:16Z")\
**Posts on this page:** 1\
**Showing post:** 14

<div class="post-metadata">

**Author:** ![Corey\_M](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.formlabs.com/corey_m/32/18987_2.png) [@Corey\_M](https://forum.formlabs.com/u/Corey_M)\
**Post date:** [December 27, 2022, 2:09pm UTC](https://forum.formlabs.com/t/why-are-first-layers-so-different-in-0-1-0-05mm-layer-height/35047/14 "2022-12-27T14:09:04Z")

</div>

Hi Reine,

Your best bet would be to [reach out to our Support Team](https://forum.formlabs.com/t/pu-rigid-resins-residential/35414) with .form files, photos, and measurements of the part so that we can help look into this size discrepancy!

---

_[View the full topic](https://forum.formlabs.com/t/why-are-first-layers-so-different-in-0-1-0-05mm-layer-height/35047)._