# .stl file uploaded does not appear as a "volume"

**URL:** <https://discourse.slicer.org/t/stl-file-uploaded-does-not-appear-as-a-volume/3114>\
**Category:** Support\
**Tags:** registration, dicom, stl\
**Created:** [June 7, 2018, 2:51pm UTC](https://discourse.slicer.org/t/stl-file-uploaded-does-not-appear-as-a-volume/3114 "2018-06-07T14:51:11Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [June 7, 2018, 6:37pm UTC](https://discourse.slicer.org/t/stl-file-uploaded-does-not-appear-as-a-volume/3114/2 "2018-06-07T18:37:11Z")

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Hi Davide -

What you would need to do is import the STL as a

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/d/2/d2804936f8d7b074e333318882f4ba7cf25371fd.jpeg)

Then select it in the Segmentations module:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/5/7/5715cbe8c30670e5afe7ac1adba1be06b73983d6.jpeg)

Then export to a labelmap:

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/e/f/ef6013fc61993e078eccb16d7b63c6bbe6b8a469.jpeg)

From there you can use the labelmap with LandmarkRegistration.

HTH,  
Steve

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