# Support

**URL:** https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=16

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

**Page:** 17

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## [Offline build support for packaging](https://discourse.slicer.org/t/offline-build-support-for-packaging/37616)

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**Author:** [@purepani](https://discourse.slicer.org/u/purepani)\
**Replies:** 2\
**Last updated:** [January 26, 2026, 11:55pm UTC](https://discourse.slicer.org/t/offline-build-support-for-packaging/37616 "2026-01-26T23:55:43Z")

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Hi, I was attempting to package this software for NixOS, and it looks like the cmake makes many network calls during the build, which, for reproducibility, isn’t allowed in NixOS. While it is possible to work around thi…

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## [Issue with surface area measurement in L3 skeletal muscle segmentation](https://discourse.slicer.org/t/issue-with-surface-area-measurement-in-l3-skeletal-muscle-segmentation/45916)

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**Author:** [@NutritionDepartment](https://discourse.slicer.org/u/NutritionDepartment)\
**Replies:** 2\
**Last updated:** [January 26, 2026, 6:31pm UTC](https://discourse.slicer.org/t/issue-with-surface-area-measurement-in-l3-skeletal-muscle-segmentation/45916 "2026-01-26T18:31:07Z")

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Dear 3D Slicer Development Team, I am using 3D Slicer to segment skeletal muscle on a single axial CT slice at the L3 level for body composition research. After segmentation, the Segment Statistics module reports a rea…

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## [Volume calculations are inconsistent on Bone CTs](https://discourse.slicer.org/t/volume-calculations-are-inconsistent-on-bone-cts/45919)

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**Author:** [@Nat](https://discourse.slicer.org/u/Nat)\
**Replies:** 1\
**Last updated:** [January 26, 2026, 6:21pm UTC](https://discourse.slicer.org/t/volume-calculations-are-inconsistent-on-bone-cts/45919 "2026-01-26T18:21:14Z")

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I am using slicer to separate cortical and trabecular bone in CT scans from morphosource. I use the threshold effect to first identify the cortical bone then use the wrap solidify tool to creat a segment with all bone vo…

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## [Dental segmentator not working on mac again](https://discourse.slicer.org/t/dental-segmentator-not-working-on-mac-again/44443)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 1\
**Last updated:** [January 26, 2026, 8:19am UTC](https://discourse.slicer.org/t/dental-segmentator-not-working-on-mac-again/44443 "2026-01-26T08:19:09Z")

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DENTAL SEGMENTATOR NOT WORKING ON MAC AGAIN

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## [Importing dcm files to 3D slicer](https://discourse.slicer.org/t/importing-dcm-files-to-3d-slicer/45843)

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**Author:** [@Reza\_Golshani](https://discourse.slicer.org/u/Reza_Golshani)\
**Replies:** 3\
**Last updated:** [January 25, 2026, 11:37am UTC](https://discourse.slicer.org/t/importing-dcm-files-to-3d-slicer/45843 "2026-01-25T11:37:44Z")

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My app can’t see dcm files to make me able to import them. Importing data - finding folder - select folder then no included file and anything dose not imported

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## [Crashes when selecting directory to save models & segments](https://discourse.slicer.org/t/crashes-when-selecting-directory-to-save-models-segments/45877)

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**Author:** [@merrikat](https://discourse.slicer.org/u/merrikat)\
**Replies:** 3\
**Last updated:** [January 23, 2026, 3:55pm UTC](https://discourse.slicer.org/t/crashes-when-selecting-directory-to-save-models-segments/45877 "2026-01-23T15:55:03Z")

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Issue: Whenever I try to save my segmentation or model files and I open the window to change which directory to save files into (whether I use the ‘…’ or ‘Change directory for selected files,’ 3D Slicer will crash while …

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## [My dental segmentator on the mac does not work please help](https://discourse.slicer.org/t/my-dental-segmentator-on-the-mac-does-not-work-please-help/45874)

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**Author:** [@Sankalpa\_Gamage](https://discourse.slicer.org/u/Sankalpa_Gamage)\
**Replies:** 0\
**Last updated:** [January 23, 2026, 5:34am UTC](https://discourse.slicer.org/t/my-dental-segmentator-on-the-mac-does-not-work-please-help/45874 "2026-01-23T05:34:04Z")

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\[DEBUG\]\[Qt\] 23.01.2026 10:46:32 (unknown:0) - Session start time …: 20260123\_104632 \[DEBUG\]\[Qt\] 23.01.2026 10:46:32 (unknown:0) - Slicer version …: 5.10.0 (revision 34045 / a2b6d08) macosx-amd64 - installed release \[…

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## [Enabling release option on an extension repo](https://discourse.slicer.org/t/enabling-release-option-on-an-extension-repo/45868)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [January 23, 2026, 5:31am UTC](https://discourse.slicer.org/t/enabling-release-option-on-an-extension-repo/45868 "2026-01-23T05:31:07Z")

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I need make a release for a publication purposes. By default we disable the release option in any Slicer extension repository. Would enabling it break something?

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## [Total Segmentator error: Failed to compute results...returned non-zero exit status 1](https://discourse.slicer.org/t/total-segmentator-error-failed-to-compute-results-returned-non-zero-exit-status-1/36322)

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**Author:** [@liyiranran2001](https://discourse.slicer.org/u/liyiranran2001)\
**Replies:** 4\
**Last updated:** [January 23, 2026, 3:12am UTC](https://discourse.slicer.org/t/total-segmentator-error-failed-to-compute-results-returned-non-zero-exit-status-1/36322 "2026-01-23T03:12:43Z")

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Operating system:windows11 Slicer version:5.6.2 Hi, I have installed Pytorch and other python packages properly, and restarted and reinstalled Slicer for several times. No matter I choose the ‘fast’ mode or not, the p…

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## [3D Slicer 5.10-11 incompatible extensions - TotalSegmentator, UpperAirwaySegmentator, CADSWholeBodyCTSeg](https://discourse.slicer.org/t/3d-slicer-5-10-11-incompatible-extensions-totalsegmentator-upperairwaysegmentator-cadswholebodyctseg/45047)

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**Author:** [@MaxVs](https://discourse.slicer.org/u/MaxVs)\
**Replies:** 9\
**Last updated:** [January 22, 2026, 9:48pm UTC](https://discourse.slicer.org/t/3d-slicer-5-10-11-incompatible-extensions-totalsegmentator-upperairwaysegmentator-cadswholebodyctseg/45047 "2026-01-22T21:48:30Z")

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Hi guys! Can you tell me whats going on with TotalSegmentator in 5.10 or 5.11 updates? After tones of errors and difficulties with installing dependancies I faced this. I have RTX 4060Ti 8Gb and ryzen 5950x In gen…

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## [Auto3dgm landmark placement on invisible parts of mesh ](https://discourse.slicer.org/t/auto3dgm-landmark-placement-on-invisible-parts-of-mesh/45803)

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**Author:** [@raranda22](https://discourse.slicer.org/u/raranda22)\
**Replies:** 13\
**Last updated:** [January 22, 2026, 4:39pm UTC](https://discourse.slicer.org/t/auto3dgm-landmark-placement-on-invisible-parts-of-mesh/45803 "2026-01-22T16:39:06Z")

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Hello Slicer Community, I’m using Auto3dgm on segmented upper beaks from MarkMyBird database, but it appears landmarks are being placed on seemingly invisible parts of the segmented meshes! Here are the original uns…

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## [Visualizing geomorph2slicermorph2 output in 3DSlicer: PCA plot differences?](https://discourse.slicer.org/t/visualizing-geomorph2slicermorph2-output-in-3dslicer-pca-plot-differences/45866)

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**Author:** [@katrust](https://discourse.slicer.org/u/katrust)\
**Replies:** 1\
**Last updated:** [January 22, 2026, 4:37pm UTC](https://discourse.slicer.org/t/visualizing-geomorph2slicermorph2-output-in-3dslicer-pca-plot-differences/45866 "2026-01-22T16:37:51Z")

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I am concerned about some differences I am seeing in my PCA scatterplot in 3DSlicer after having produced GPA and PCA results to slide semi-LMs in the geomorph R package. As a very coarse way to sanity checking myself, …

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## [Threshold and masking](https://discourse.slicer.org/t/threshold-and-masking/45867)

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**Author:** [@Varsha](https://discourse.slicer.org/u/Varsha)\
**Replies:** 0\
**Last updated:** [January 22, 2026, 4:35pm UTC](https://discourse.slicer.org/t/threshold-and-masking/45867 "2026-01-22T16:35:03Z")

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Does anybody know how bone morphometry analysis can be done using the Bone texture module? I am hoping to create texture maps and get corresponding values for trabecular bone density, but am unsure how to do this.

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## [Converting  Radial Artery from DICOM ( CT files) and Segmentation using slicer manually and using slicer AI 3d segmentation for simulation](https://discourse.slicer.org/t/converting-radial-artery-from-dicom-ct-files-and-segmentation-using-slicer-manually-and-using-slicer-ai-3d-segmentation-for-simulation/45865)

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**Author:** [@Chandana](https://discourse.slicer.org/u/Chandana)\
**Replies:** 0\
**Last updated:** [January 22, 2026, 3:41pm UTC](https://discourse.slicer.org/t/converting-radial-artery-from-dicom-ct-files-and-segmentation-using-slicer-manually-and-using-slicer-ai-3d-segmentation-for-simulation/45865 "2026-01-22T15:41:42Z")

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Operating system: Windows 11 Slicer version: 5.9 Expected behavior: clear radial artery stl Actual behavior: unclear lump with bone

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## [Got error msg while applying MedSam2](https://discourse.slicer.org/t/got-error-msg-while-applying-medsam2/45862)

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**Author:** [@aiden.zhu](https://discourse.slicer.org/u/aiden.zhu)\
**Replies:** 0\
**Last updated:** [January 22, 2026, 1:04pm UTC](https://discourse.slicer.org/t/got-error-msg-while-applying-medsam2/45862 "2026-01-22T13:04:40Z")

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Operating system: windows Slicer version: 5.11.0-2026-01-19 Expected behavior: no errors Actual behavior: errors with pickling Hi all, Trying to work with MedSam2 and got the following error while clicking on “Segme…

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## [In Dynamic Modeler, is it possible to use a sphere ROI node to perform ROI cut?](https://discourse.slicer.org/t/in-dynamic-modeler-is-it-possible-to-use-a-sphere-roi-node-to-perform-roi-cut/45768)

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**Author:** [@Vincent](https://discourse.slicer.org/u/Vincent)\
**Replies:** 9\
**Last updated:** [January 21, 2026, 10:10am UTC](https://discourse.slicer.org/t/in-dynamic-modeler-is-it-possible-to-use-a-sphere-roi-node-to-perform-roi-cut/45768 "2026-01-21T10:10:04Z")

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Hi, I would like to use a sphere ROI node to perform ROI cut. However I cannot figure out how to create a sphere ROI. In Dynamic Modeler, is it possible to use a sphere ROI node to perform ROI cut ? Thanks in advance, …

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## [DeCAL troubleshooting (3DSlicer versions 5.9 & 5.10)](https://discourse.slicer.org/t/decal-troubleshooting-3dslicer-versions-5-9-5-10/45791)

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**Author:** [@katrust](https://discourse.slicer.org/u/katrust)\
**Replies:** 4\
**Last updated:** [January 20, 2026, 10:34pm UTC](https://discourse.slicer.org/t/decal-troubleshooting-3dslicer-versions-5-9-5-10/45791 "2026-01-20T22:34:05Z")

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I have been using the DeCAL extension via SlicerMorph since it’s earliest versions, and I have produced DeCAL output of evenly spaced semi-landmarks across all the models in my sample (in my case, these models are severa…

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## [How to superimpose 2 stl files. Need help](https://discourse.slicer.org/t/how-to-superimpose-2-stl-files-need-help/45827)

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**Author:** [@DrSifali](https://discourse.slicer.org/u/DrSifali)\
**Replies:** 5\
**Last updated:** [January 20, 2026, 7:19pm UTC](https://discourse.slicer.org/t/how-to-superimpose-2-stl-files-need-help/45827 "2026-01-20T19:19:34Z")

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I need help on how to superimpose 2 stl files to analyze tooth movements

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## [Brain Modelling from MRI images // Help](https://discourse.slicer.org/t/brain-modelling-from-mri-images-help/45841)

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**Author:** [@nakcali](https://discourse.slicer.org/u/nakcali)\
**Replies:** 0\
**Last updated:** [January 20, 2026, 2:35pm UTC](https://discourse.slicer.org/t/brain-modelling-from-mri-images-help/45841 "2026-01-20T14:35:59Z")

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Hello, I am trying to create a 3D model of my brain. I am using Swiss Skull Stripper, but I am not able to do it properly. It looks like lego brain. My MRI data seem to be divided into several groups (for example: right…

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## [Unable to read the DICOM "scalar volume" ](https://discourse.slicer.org/t/unable-to-read-the-dicom-scalar-volume/45830)

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**Author:** [@Samuel\_Guigo](https://discourse.slicer.org/u/Samuel_Guigo)\
**Replies:** 1\
**Last updated:** [January 19, 2026, 6:54pm UTC](https://discourse.slicer.org/t/unable-to-read-the-dicom-scalar-volume/45830 "2026-01-19T18:54:54Z")

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I try to import some dice and the message is : “Could not load: 8: CT TAP OS 1.5 Br59 4 as a Scalar Volume” I can read the image folder in a standard image reader…

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## [open nrrd segmentation file in lungctanalyzer](https://discourse.slicer.org/t/open-nrrd-segmentation-file-in-lungctanalyzer/45828)

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**Author:** [@Letizia\_Saviozzi](https://discourse.slicer.org/u/Letizia_Saviozzi)\
**Replies:** 0\
**Last updated:** [January 19, 2026, 4:44pm UTC](https://discourse.slicer.org/t/open-nrrd-segmentation-file-in-lungctanalyzer/45828 "2026-01-19T16:44:54Z")

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I apologize in advance for my very bad computer knowledge. Operating system: Windows 11, 64 bit Slicer version: 5.10.0 Expected behavior: A year ago I save some scenes (Slicer version 5.6.2), leaving them open in the …

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## [No nightly Windows releases since 2025-12-22](https://discourse.slicer.org/t/no-nightly-windows-releases-since-2025-12-22/45647)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 5\
**Last updated:** [January 19, 2026, 4:39pm UTC](https://discourse.slicer.org/t/no-nightly-windows-releases-since-2025-12-22/45647 "2026-01-19T16:39:13Z")

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Could someone at Kitware have a look at the Windows build machine? There have been no Windows builds for about a week now. Thank you! @Sam\_Horvath @ebrahim

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## [Varying between slices](https://discourse.slicer.org/t/varying-between-slices/45798)

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**Author:** [@Varsha](https://discourse.slicer.org/u/Varsha)\
**Replies:** 2\
**Last updated:** [January 19, 2026, 4:30pm UTC](https://discourse.slicer.org/t/varying-between-slices/45798 "2026-01-19T16:30:20Z")

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Just to clarify, if I want to move between slices in the axial view, should I just use the slider? Or is there a different way of doing this?

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## [Heat maps of trabecular bone](https://discourse.slicer.org/t/heat-maps-of-trabecular-bone/45796)

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**Author:** [@Varsha](https://discourse.slicer.org/u/Varsha)\
**Replies:** 4\
**Last updated:** [January 19, 2026, 1:06pm UTC](https://discourse.slicer.org/t/heat-maps-of-trabecular-bone/45796 "2026-01-19T13:06:01Z")

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Would anybody be able to advice how I can create heat maps for the trabecular bone of a particular skeletal element using Slicer?

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## [Download sample data not working](https://discourse.slicer.org/t/download-sample-data-not-working/45114)

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**Author:** [@PaoloZaffino](https://discourse.slicer.org/u/PaoloZaffino)\
**Replies:** 10\
**Last updated:** [January 18, 2026, 2:45pm UTC](https://discourse.slicer.org/t/download-sample-data-not-working/45114 "2026-01-18T14:45:17Z")

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Hi all, I tried to download some sample data by using the dedicated extension but it keeps downloading and no data is loaded. Paolo

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## [Seeking guidance on visualizing MyBuddy 280 robot in 3D Slicer with WLAN connection](https://discourse.slicer.org/t/seeking-guidance-on-visualizing-mybuddy-280-robot-in-3d-slicer-with-wlan-connection/45789)

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**Author:** [@Dristi\_R](https://discourse.slicer.org/u/Dristi_R)\
**Replies:** 1\
**Last updated:** [January 17, 2026, 5:41pm UTC](https://discourse.slicer.org/t/seeking-guidance-on-visualizing-mybuddy-280-robot-in-3d-slicer-with-wlan-connection/45789 "2026-01-17T17:41:30Z")

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Hello everyone, I am currently working on integrating the MyBuddy 280 robotic arm by Elephant Robotics with 3D Slicer using the SlicerROS2 module. My goal is to visualize the robot in Slicer while simultaneously control…

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## [3d model segmentation export in usdz](https://discourse.slicer.org/t/3d-model-segmentation-export-in-usdz/45806)

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**Author:** [@Caterina](https://discourse.slicer.org/u/Caterina)\
**Replies:** 1\
**Last updated:** [January 17, 2026, 3:14pm UTC](https://discourse.slicer.org/t/3d-model-segmentation-export-in-usdz/45806 "2026-01-17T15:14:32Z")

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Dear support, is it possible to directly export segmentation 3d model from slicer in usdz format?

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## [DeCA module does not operate under the 5-4-2026.01.02 release](https://discourse.slicer.org/t/deca-module-does-not-operate-under-the-5-4-2026-01-02-release/45782)

<div class="topic-metadata">

**Author:** [@philippepellerin](https://discourse.slicer.org/u/philippepellerin)\
**Replies:** 6\
**Last updated:** [January 17, 2026, 9:53am UTC](https://discourse.slicer.org/t/deca-module-does-not-operate-under-the-5-4-2026-01-02-release/45782 "2026-01-17T09:53:06Z")

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I tried running DeCA with the 3D Slicer 5-11-2026.01.02 release, but the module window opens like in the attachment, and the extension can’t be operated.

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## [Fast or even automatic skin segmentation](https://discourse.slicer.org/t/fast-or-even-automatic-skin-segmentation/24587)

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**Author:** [@user4](https://discourse.slicer.org/u/user4)\
**Replies:** 2\
**Last updated:** [January 16, 2026, 7:21pm UTC](https://discourse.slicer.org/t/fast-or-even-automatic-skin-segmentation/24587 "2026-01-16T19:21:42Z")

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Hi,all.I want to do some skin segmentations on my mouse body data then create a masked volume. Currently I achieve my goal according to the following steps. draw several slices carefully with a fixed step,for examp…

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## [Using Monai Label in 3DSlicer for Medical Student Research Project](https://discourse.slicer.org/t/using-monai-label-in-3dslicer-for-medical-student-research-project/37309)

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**Author:** [@Saim\_ali](https://discourse.slicer.org/u/Saim_ali)\
**Replies:** 10\
**Last updated:** [January 16, 2026, 3:28am UTC](https://discourse.slicer.org/t/using-monai-label-in-3dslicer-for-medical-student-research-project/37309 "2026-01-16T03:28:47Z")

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Hello, I am a medical student with no computer science background looking for some help with using Monai Label with 3D slicer. My main issue is with connecting to the Monai Server. I was able to follow a tutorial onlin…

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