# How to export all structures to STL file?

**URL:** <https://discourse.slicer.org/t/how-to-export-all-structures-to-stl-file/10848>\
**Category:** Support\
**Tags:** dicom\
**Created:** [March 26, 2020, 1:21pm UTC](https://discourse.slicer.org/t/how-to-export-all-structures-to-stl-file/10848 "2020-03-26T13:21:04Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [March 26, 2020, 1:42pm UTC](https://discourse.slicer.org/t/how-to-export-all-structures-to-stl-file/10848/2 "2020-03-26T13:42:40Z")

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For everyone’s benefit, please keep the discussion on the forum (not in private emails).

To improve the contrast of the loaded CT volume, adjust window/level by click-and-dragging with the left mouse in slice views. In recent Slicer Preview Releases, you need to to activate the window/level mouse mode first - see details here: [Recent improvements in window/level management](https://discourse.slicer.org/t/recent-improvements-in-window-level-management/7284)

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