# Can\`t find the stl file in save windov

**URL:** <https://discourse.slicer.org/t/can-t-find-the-stl-file-in-save-windov/1975>\
**Category:** Support\
**Created:** [January 30, 2018, 3:28pm UTC](https://discourse.slicer.org/t/can-t-find-the-stl-file-in-save-windov/1975 "2018-01-30T15:28:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Davinca](https://avatars.discourse-cdn.com/v4/letter/d/96bed5/32.png) [@Davinca](https://discourse.slicer.org/u/Davinca)\
**Post date:** [January 30, 2018, 3:28pm UTC](https://discourse.slicer.org/t/can-t-find-the-stl-file-in-save-windov/1975/1 "2018-01-30T15:28:31Z")

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Actual behavior:

 ![STL](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/c/c/cc5d78fa63d5426b2b7929aa82e6a044f6d88866.jpeg)

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**Author:** ![cpinter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/cpinter/32/7995_2.png) [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Post date:** [January 30, 2018, 6:38pm UTC](https://discourse.slicer.org/t/can-t-find-the-stl-file-in-save-windov/1975/2 "2018-01-30T18:38:36Z")

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You cannot save fiducial markers as a segmentation. STL represents a surface, not a set of points. You need to use Segment Editor module to create your segmentation, then export the segmentation into a model that you can save as STL.

> [@New video tutorial for Segment editor - lumbar spine segmentation for 3D printing](https://discourse.slicer.org/t/new-video-tutorial-for-segment-editor-lumbar-spine-segmentation-for-3d-printing/700):
>
> This is the first part of a video tutorial series that teaches how to use Segment editor. This tutorial explains how to create a 3D-printable lumbar spine segment that can be used for lumbar puncture training: The video tutorial was created by Hilary Lia (PerkLab, Queen’s University), with help from @cpinter, @lassoan, @ungi. Please post your comments here about how useful this tutorial format is, what did you like/what to improve, what topics/techniques/anatomical structures you would be int…