# \#faq

**URL:** https://discourse.slicer.org/tag/faq/142.md

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

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## [Segmentation Editor - How to disable painting on adjacent slices?](https://discourse.slicer.org/t/segmentation-editor-how-to-disable-painting-on-adjacent-slices/1459)

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**Author:** [@matt-berseth](https://discourse.slicer.org/u/matt-berseth)\
**Replies:** 7\
**Last updated:** [November 28, 2023, 1:52pm UTC](https://discourse.slicer.org/t/segmentation-editor-how-to-disable-painting-on-adjacent-slices/1459 "2023-11-28T13:52:42Z")

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I am working on a project where we are segmenting lesions from an MRI using the paint tool from the Segment Editor module. We are using a large brush size along with a threshold so only pixels within a certain range are …

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## [Save volume rendering as STL file](https://discourse.slicer.org/t/save-volume-rendering-as-stl-file/524)

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**Author:** [@jjb](https://discourse.slicer.org/u/jjb)\
**Replies:** 38\
**Last updated:** [October 21, 2021, 2:52pm UTC](https://discourse.slicer.org/t/save-volume-rendering-as-stl-file/524 "2021-10-21T14:52:09Z")

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Hello, I am a new user on 3D slicer. I was using the display preset feature under volume rendering, and I was wondering if there is a way to save what I was viewing as an .stl or 3D printable file. For example, I was v…

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## [3D model of only the outer surface of a bone+ 3D model of a bone](https://discourse.slicer.org/t/3d-model-of-only-the-outer-surface-of-a-bone-3d-model-of-a-bone/2714)

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**Author:** [@saeed\_mouloodi](https://discourse.slicer.org/u/saeed_mouloodi)\
**Replies:** 16\
**Last updated:** [January 8, 2022, 1:29am UTC](https://discourse.slicer.org/t/3d-model-of-only-the-outer-surface-of-a-bone-3d-model-of-a-bone/2714 "2022-01-08T01:29:33Z")

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Hi, I am very new with the 3D slicer, so my question might be so simple. Still, it is really appreciated if you could help me with it. I have a DCOM data from CT of a bone (to say like femur). I am wondering how can I …

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## [3D model to segmentation](https://discourse.slicer.org/t/3d-model-to-segmentation/5135)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 9\
**Last updated:** [June 13, 2020, 4:27am UTC](https://discourse.slicer.org/t/3d-model-to-segmentation/5135 "2020-06-13T04:27:04Z")

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I would like to able to clean some 3D models from surface scanner. Currently, what I do is to import the model as a segmentation node, and then export the resultant segmentation node as a label map, which I use it as the…

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## [How to set volume rendering preset using Python](https://discourse.slicer.org/t/how-to-set-volume-rendering-preset-using-python/3063)

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**Author:** [@ollih10](https://discourse.slicer.org/u/ollih10)\
**Replies:** 8\
**Last updated:** [August 1, 2019, 4:06am UTC](https://discourse.slicer.org/t/how-to-set-volume-rendering-preset-using-python/3063 "2019-08-01T04:06:08Z")

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Hi developers, Using a Python script I am trying to load a volume, set the slice views and also a volume rendering preset. While loading and setting the slice views works out well, the volume rendering always shows up w…

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## [Missing menu items from Slicer Application Main Window](https://discourse.slicer.org/t/missing-menu-items-from-slicer-application-main-window/2613)

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**Author:** [@Andinet\_Enquobahrie](https://discourse.slicer.org/u/Andinet_Enquobahrie)\
**Replies:** 3\
**Last updated:** [January 2, 2020, 6:00pm UTC](https://discourse.slicer.org/t/missing-menu-items-from-slicer-application-main-window/2613 "2020-01-02T18:00:27Z")

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Hi, I downloaded the nightly Windows installer and installed it on my Windows 10 Pro laptop. Slicer’s Main Application menu seems to be missing (File, Edit, View and Help). see below My laptop system information ca…

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## [Size of STL/OBJ files - too many triangles](https://discourse.slicer.org/t/size-of-stl-obj-files-too-many-triangles/5137)

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**Author:** [@sarvpriya1985](https://discourse.slicer.org/u/sarvpriya1985)\
**Replies:** 2\
**Last updated:** [November 12, 2019, 5:22am UTC](https://discourse.slicer.org/t/size-of-stl-obj-files-too-many-triangles/5137 "2019-11-12T05:22:03Z")

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Operating system: windows 10 Slicer version:4. 10 Expected behavior: Actual behavior: Hi everyone, Is there a way to compress the size of 3D models before exporting them as STL or OBJ format. Sometimes these are abo…

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## [Generating 3D segmentation from MR or CT images](https://discourse.slicer.org/t/generating-3d-segmentation-from-mr-or-ct-images/4604)

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**Author:** [@Mohammed\_Alahmari](https://discourse.slicer.org/u/Mohammed_Alahmari)\
**Replies:** 2\
**Last updated:** [October 31, 2018, 4:02pm UTC](https://discourse.slicer.org/t/generating-3d-segmentation-from-mr-or-ct-images/4604 "2018-10-31T16:02:35Z")

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Operating system:Windows Slicer version:4.8.1 Expected behavior: Actual behavior: Hi there, I’m a beginner and want to use the slicer to measure the volumes of chordoma and vestibular schwannoma before and after radi…

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## [All menus and buttons misplaced in Slicer window (nighlty build version)](https://discourse.slicer.org/t/all-menus-and-buttons-misplaced-in-slicer-window-nighlty-build-version/3224)

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**Author:** [@mag](https://discourse.slicer.org/u/mag)\
**Replies:** 4\
**Last updated:** [August 3, 2018, 8:48pm UTC](https://discourse.slicer.org/t/all-menus-and-buttons-misplaced-in-slicer-window-nighlty-build-version/3224 "2018-08-03T20:48:45Z")

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Hello, I am having issues on Windows 10 with the latest nighlty build Slicer. The window of Slicer does not display correctly (see screenshot). The menu bar is missing and the tool bar is displaying in its place. Other …