# \#3d-model

**URL:** https://discourse.slicer.org/tag/3d-model/84.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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## [How to quickly recompile updated code based on the current build version](https://discourse.slicer.org/t/how-to-quickly-recompile-updated-code-based-on-the-current-build-version/48089)

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**Author:** [@zhuofalin](https://discourse.slicer.org/u/zhuofalin)\
**Replies:** 1\
**Last updated:** [September 7, 2026, 2:23pm UTC](https://discourse.slicer.org/t/how-to-quickly-recompile-updated-code-based-on-the-current-build-version/48089 "2026-09-07T14:23:19Z")

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Hello, I am very happy to be back in the Slicer community.:grinning\_face: I typically use an older version of the slicer for development, but thanks to the efforts of the developers, new features are constantly being a…

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## [New Extension: DRAI AI 3D Segmentation and Modelling Extension for 3D Slicer](https://discourse.slicer.org/t/new-extension-drai-ai-3d-segmentation-and-modelling-extension-for-3d-slicer/48031)

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**Author:** [@bywbilly](https://discourse.slicer.org/u/bywbilly)\
**Replies:** 0\
**Last updated:** [September 1, 2026, 4:12pm UTC](https://discourse.slicer.org/t/new-extension-drai-ai-3d-segmentation-and-modelling-extension-for-3d-slicer/48031 "2026-09-01T16:12:40Z")

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AI-powered segmentation for Spine/Pelvis (CT) and Aorta–Iliac–Femoral Arteries (CTA). Upload CT volumes directly from 3D Slicer to the DRAI server and receive high-quality, multi-label 3D segmentation masks and models w…

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## [Aligning STL anatomical models with MRI segmentations in 3D Slicer](https://discourse.slicer.org/t/aligning-stl-anatomical-models-with-mri-segmentations-in-3d-slicer/47983)

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**Author:** [@Toumia\_Bessedik](https://discourse.slicer.org/u/Toumia_Bessedik)\
**Replies:** 4\
**Last updated:** [August 27, 2026, 2:11pm UTC](https://discourse.slicer.org/t/aligning-stl-anatomical-models-with-mri-segmentations-in-3d-slicer/47983 "2026-08-27T14:11:01Z")

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Hi, I am working with an MRI of the head and I have existing STL models for several anatomical domains, including the skull, brain, soft tissue (ST), etc. I would like to use these STL models as references and align th…

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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/47603)

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**Author:** [@Chandana](https://discourse.slicer.org/u/Chandana)\
**Replies:** 0\
**Last updated:** [July 13, 2026, 3:22am 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/47603 "2026-07-13T03:22:57Z")

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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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## [Workflow for segmenting many lesions as separate segments?](https://discourse.slicer.org/t/workflow-for-segmenting-many-lesions-as-separate-segments/47094)

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**Author:** [@zhousy5310](https://discourse.slicer.org/u/zhousy5310)\
**Replies:** 5\
**Last updated:** [July 8, 2026, 8:56am UTC](https://discourse.slicer.org/t/workflow-for-segmenting-many-lesions-as-separate-segments/47094 "2026-07-08T08:56:49Z")

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Hi all, I’m currently working on NF1 cases using Slicer, and trying to find a better workflow. The main difficulty is not segmenting one lesion, but handling many separate lesions efficiently while keeping them as diff…

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## [Beginner to Slicer, SOFA, etc - Advice?](https://discourse.slicer.org/t/beginner-to-slicer-sofa-etc-advice/47469)

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**Author:** [@KarimA](https://discourse.slicer.org/u/KarimA)\
**Replies:** 1\
**Last updated:** [June 27, 2026, 12:49pm UTC](https://discourse.slicer.org/t/beginner-to-slicer-sofa-etc-advice/47469 "2026-06-27T12:49:38Z")

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Hello everyone, I’m a computer engineering undergrad (senior) new to 3DSlicer and related medical software. I have recently become interested in surgical robotics and have been working on a few research projects regardi…

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## [New extension: MuscleMap --  Automated Whole-Body Muscle Segmentation](https://discourse.slicer.org/t/new-extension-musclemap-automated-whole-body-muscle-segmentation/47364)

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**Author:** [@Eddo\_Wesselink](https://discourse.slicer.org/u/Eddo_Wesselink)\
**Replies:** 0\
**Last updated:** [June 16, 2026, 5:51pm UTC](https://discourse.slicer.org/t/new-extension-musclemap-automated-whole-body-muscle-segmentation/47364 "2026-06-16T17:51:22Z")

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New extension: MuscleMap — open-source, community-supported automated whole-body muscle segmentation MuscleMap is a 3D Slicer extension for fully automatic segmentation of skeletal muscle in MRI and CT. It is develop…

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## [Why won't my mrml file open in 3D slicer, or my stl file become visible?](https://discourse.slicer.org/t/why-wont-my-mrml-file-open-in-3d-slicer-or-my-stl-file-become-visible/47172)

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**Author:** [@Emerson](https://discourse.slicer.org/u/Emerson)\
**Replies:** 1\
**Last updated:** [May 29, 2026, 2:34pm UTC](https://discourse.slicer.org/t/why-wont-my-mrml-file-open-in-3d-slicer-or-my-stl-file-become-visible/47172 "2026-05-29T14:34:17Z")

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I was trying to open an mrml file I have saved, and while it opened the app it did not open the file or show up anywhere. I tried again with the stl file and while it showed up under ‘data’ (which is farther than I got w…

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## [how to segment intact lumen and vessel wall in 3d slicer?](https://discourse.slicer.org/t/how-to-segment-intact-lumen-and-vessel-wall-in-3d-slicer/2531)

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**Author:** [@Bio\_Medical](https://discourse.slicer.org/u/Bio_Medical)\
**Replies:** 4\
**Last updated:** [May 27, 2026, 7:09pm UTC](https://discourse.slicer.org/t/how-to-segment-intact-lumen-and-vessel-wall-in-3d-slicer/2531 "2026-05-27T19:09:54Z")

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I want to create lumen and plaque inside an arterial wall(similar to the structure in attached file).So it will be a hollow wall and lumen inside it(fixed,no spaces between them).How can i do it in slicer?

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## [SwissSkullStripper is having trouble with multiple splices, and so am I](https://discourse.slicer.org/t/swissskullstripper-is-having-trouble-with-multiple-splices-and-so-am-i/47111)

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**Author:** [@HomerHaddock](https://discourse.slicer.org/u/HomerHaddock)\
**Replies:** 0\
**Last updated:** [May 21, 2026, 8:30pm UTC](https://discourse.slicer.org/t/swissskullstripper-is-having-trouble-with-multiple-splices-and-so-am-i/47111 "2026-05-21T20:30:45Z")

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I am having trouble with getting a CT scan exported. The scan has one splice for X, Y, and Z where it gets the most quality. To show my problem I used the scan best used on the horizontal plane (It has the most imaging…

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## [Model To Model Distance running as CLI](https://discourse.slicer.org/t/model-to-model-distance-running-as-cli/46971)

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**Author:** [@Mrdlev](https://discourse.slicer.org/u/Mrdlev)\
**Replies:** 1\
**Last updated:** [May 11, 2026, 1:27pm UTC](https://discourse.slicer.org/t/model-to-model-distance-running-as-cli/46971 "2026-05-11T13:27:52Z")

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Hi everyone, I’m trying to use the Model-to-Model Distance extension in 3D Slicer to quantify the average displacement between two structures (one with deformation and one without). However, I’ve run into an issue: I…

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## [Probe 3D Model in Slicer](https://discourse.slicer.org/t/probe-3d-model-in-slicer/31084)

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**Author:** [@deringur](https://discourse.slicer.org/u/deringur)\
**Replies:** 17\
**Last updated:** [April 13, 2026, 8:56pm UTC](https://discourse.slicer.org/t/probe-3d-model-in-slicer/31084 "2026-04-13T20:56:18Z")

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I am currently setting up a probe with the Motive software and OptiTrack camera system, and am transferring the live location data to Slicer via PLUS. Is there way to create a 3D model for the probe to view on Slicer (cl…

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## [Multi-Class Segmentation with CT + Aligned STL (Dental Dataset)](https://discourse.slicer.org/t/multi-class-segmentation-with-ct-aligned-stl-dental-dataset/46636)

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**Author:** [@abhijeet2410](https://discourse.slicer.org/u/abhijeet2410)\
**Replies:** 0\
**Last updated:** [April 2, 2026, 6:37am UTC](https://discourse.slicer.org/t/multi-class-segmentation-with-ct-aligned-stl-dental-dataset/46636 "2026-04-02T06:37:36Z")

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Operating system: Window Slicer version: 3 D Slicer 5. 10.0 :brain: Question: Multi-Class Segmentation with CT + Aligned STL (Dental Dataset) I am working on a dental AI dataset pipeline where I have: CT scan (DICO…

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## [Carotid Artery Segmentation for CFD analysis](https://discourse.slicer.org/t/carotid-artery-segmentation-for-cfd-analysis/46177)

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**Author:** [@Arundhati](https://discourse.slicer.org/u/Arundhati)\
**Replies:** 4\
**Last updated:** [February 20, 2026, 5:13pm UTC](https://discourse.slicer.org/t/carotid-artery-segmentation-for-cfd-analysis/46177 "2026-02-20T17:13:31Z")

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Is there any tutorial to create 3D carotid artery to be used for CFD analysis by using any of the sample images available in the 3D slicer itself ?

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## [Physician & Medical Imaging Engineer | Segmentation, CFD Prep & Imaging AI](https://discourse.slicer.org/t/physician-medical-imaging-engineer-segmentation-cfd-prep-imaging-ai/46194)

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**Author:** [@drnoorfatima](https://discourse.slicer.org/u/drnoorfatima)\
**Replies:** 0\
**Last updated:** [February 17, 2026, 6:37pm UTC](https://discourse.slicer.org/t/physician-medical-imaging-engineer-segmentation-cfd-prep-imaging-ai/46194 "2026-02-17T18:37:39Z")

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Hi everyone, I’m Noor , a physician with a background in neurology and clinical imaging, and over the past few years I’ve built a parallel focus in medical image processing and 3D reconstruction. I work at the intersec…

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## [Generate a 3d model/point cloud from CT scan of abdomen](https://discourse.slicer.org/t/generate-a-3d-model-point-cloud-from-ct-scan-of-abdomen/34842)

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**Author:** [@Pratima](https://discourse.slicer.org/u/Pratima)\
**Replies:** 2\
**Last updated:** [February 17, 2026, 8:37am UTC](https://discourse.slicer.org/t/generate-a-3d-model-point-cloud-from-ct-scan-of-abdomen/34842 "2026-02-17T08:37:25Z")

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Hello, I want to know step-by-step process on how to convert and download a segmented CT scan model (visible in Slicer) into Point Cloud/STL format. I am a beginner in 3D slicing. Any help is highly appreciated.

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## [Integration of Mimics-like contouring and edit (magnet + grab) functionality into 3D Slicer for segmentation of CT Lumbar bones](https://discourse.slicer.org/t/integration-of-mimics-like-contouring-and-edit-magnet-grab-functionality-into-3d-slicer-for-segmentation-of-ct-lumbar-bones/46000)

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**Author:** [@Mirza\_Ahmad\_Awais](https://discourse.slicer.org/u/Mirza_Ahmad_Awais)\
**Replies:** 1\
**Last updated:** [January 30, 2026, 6:50pm UTC](https://discourse.slicer.org/t/integration-of-mimics-like-contouring-and-edit-magnet-grab-functionality-into-3d-slicer-for-segmentation-of-ct-lumbar-bones/46000 "2026-01-30T18:50:06Z")

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Hello! I am trying to add contouring and edit contouring functionality into 3D slicer as a replacement to mimics or mimics-like tool so we can accurately segment lumbar bodies for surgical implant design purposes. Firstl…

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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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## [How do i convert dcm files in segment editor..i m getting a lot of errors..i need this for my cbct analysis of tooth n pulp volume](https://discourse.slicer.org/t/how-do-i-convert-dcm-files-in-segment-editor-i-m-getting-a-lot-of-errors-i-need-this-for-my-cbct-analysis-of-tooth-n-pulp-volume/45829)

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**Author:** [@Sravya\_Guda](https://discourse.slicer.org/u/Sravya_Guda)\
**Replies:** 1\
**Last updated:** [January 19, 2026, 6:56pm UTC](https://discourse.slicer.org/t/how-do-i-convert-dcm-files-in-segment-editor-i-m-getting-a-lot-of-errors-i-need-this-for-my-cbct-analysis-of-tooth-n-pulp-volume/45829 "2026-01-19T18:56:49Z")

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I have to make a cbct analysis of pulp and tooth volume of tooth..so I was using batch dentalsegmentator. While I m trying to convert my dcm files into extension files..folder shoes empty in both input n output folder…I …

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## [segmenting of mouse CT 3D dataset using a mouse phantom. ](https://discourse.slicer.org/t/segmenting-of-mouse-ct-3d-dataset-using-a-mouse-phantom/45301)

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**Author:** [@Ayman\_Alshehabi](https://discourse.slicer.org/u/Ayman_Alshehabi)\
**Replies:** 1\
**Last updated:** [December 2, 2025, 9:56am UTC](https://discourse.slicer.org/t/segmenting-of-mouse-ct-3d-dataset-using-a-mouse-phantom/45301 "2025-12-02T09:56:28Z")

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Hey you guys, im trying to segment 3D CT mouse data using the phantom developed by Digimouse\_Download - Biomedical Imaging Group" . I am having the difficulty to overlap the segmented phantom that i created with the mou…

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## [Using 3d slicer and python](https://discourse.slicer.org/t/using-3d-slicer-and-python/45037)

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**Author:** [@Shveta\_Duggal](https://discourse.slicer.org/u/Shveta_Duggal)\
**Replies:** 0\
**Last updated:** [November 11, 2025, 2:31pm UTC](https://discourse.slicer.org/t/using-3d-slicer-and-python/45037 "2025-11-11T14:31:13Z")

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Where is the link for segmentation? Thank you so much

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## [Segment paint did not remain. just disappear](https://discourse.slicer.org/t/segment-paint-did-not-remain-just-disappear/44497)

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**Author:** [@omfs\_snudh](https://discourse.slicer.org/u/omfs_snudh)\
**Replies:** 0\
**Last updated:** [September 16, 2025, 12:50pm UTC](https://discourse.slicer.org/t/segment-paint-did-not-remain-just-disappear/44497 "2025-09-16T12:50:03Z")

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Operating system: Window Slicer version: 5.81 I just used segment editor based on my DICOM files. But, segment paint has disappeared right after when I touch. I checked “everwhere” and unchecked “intensity range”…

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## [DICOM to Voxel(python) - Landmark Placement Issue for DL Dataset](https://discourse.slicer.org/t/dicom-to-voxel-python-landmark-placement-issue-for-dl-dataset/44366)

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**Author:** [@nik\_47](https://discourse.slicer.org/u/nik_47)\
**Replies:** 2\
**Last updated:** [September 5, 2025, 7:59pm UTC](https://discourse.slicer.org/t/dicom-to-voxel-python-landmark-placement-issue-for-dl-dataset/44366 "2025-09-05T19:59:57Z")

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Hey everyone! I’m currently working on a project to prepare a dataset for a deep learning model. The main goal is to train a neural network to detect specific landmarks on 3D MRIs. I’m using Slicer 3D to create landmark…

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## [Can’t visualize my liver segmentation in 3D after cropping (Scalar Range shows 0–2 but nothing displays)](https://discourse.slicer.org/t/can-t-visualize-my-liver-segmentation-in-3d-after-cropping-scalar-range-shows-0-2-but-nothing-displays/44355)

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**Author:** [@era\_888](https://discourse.slicer.org/u/era_888)\
**Replies:** 1\
**Last updated:** [September 5, 2025, 10:34am UTC](https://discourse.slicer.org/t/can-t-visualize-my-liver-segmentation-in-3d-after-cropping-scalar-range-shows-0-2-but-nothing-displays/44355 "2025-09-05T10:34:36Z")

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Hello everyone. I am working on a liver surgery simulation project. I have: Pre-operative MRI resampled to isotropic (preop\_n4\_iso) Liver segmentation exported as labelmap (liver\_full\_seg) What I did: Resamp…

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## [Tumor segmentation-spine](https://discourse.slicer.org/t/tumor-segmentation-spine/44332)

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**Author:** [@sabnis93](https://discourse.slicer.org/u/sabnis93)\
**Replies:** 0\
**Last updated:** [September 3, 2025, 2:26pm UTC](https://discourse.slicer.org/t/tumor-segmentation-spine/44332 "2025-09-03T14:26:46Z")

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Hello all, I am trying to segment and calculate tumor volume for spine neurofibromas in mice models. I acquired T2 TurboRARE images for axial, coronal and sagittal orientations separately. I am seeing tumors in few slic…

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## [Hidden seam placement](https://discourse.slicer.org/t/hidden-seam-placement/44253)

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**Author:** [@IanM63](https://discourse.slicer.org/u/IanM63)\
**Replies:** 1\
**Last updated:** [August 29, 2025, 2:36pm UTC](https://discourse.slicer.org/t/hidden-seam-placement/44253 "2025-08-29T14:36:54Z")

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Why is it not possible to hide the seam INSIDE the model ?

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## [Pancreatic CTA Vascular Reconstruction](https://discourse.slicer.org/t/pancreatic-cta-vascular-reconstruction/43764)

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**Author:** [@HenryClein](https://discourse.slicer.org/u/HenryClein)\
**Replies:** 1\
**Last updated:** [July 18, 2025, 12:01am UTC](https://discourse.slicer.org/t/pancreatic-cta-vascular-reconstruction/43764 "2025-07-18T00:01:18Z")

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Dear R&D staff, the blood vessels around the pancreas are very complex and it is very easy to have massive bleeding during surgery. I hope to build a vascular reconstruction model. Is there a good learning tutorial? Than…

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## [Manual Brain Tumor Segmentation – Dice Score 1.0 – Study Kit for Learners (3D Slicer Project Included)](https://discourse.slicer.org/t/manual-brain-tumor-segmentation-dice-score-1-0-study-kit-for-learners-3d-slicer-project-included/43482)

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**Author:** [@Drnoor\_fatima](https://discourse.slicer.org/u/Drnoor_fatima)\
**Replies:** 0\
**Last updated:** [June 25, 2025, 1:17pm UTC](https://discourse.slicer.org/t/manual-brain-tumor-segmentation-dice-score-1-0-study-kit-for-learners-3d-slicer-project-included/43482 "2025-06-25T13:17:07Z")

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Hi everyone, I recently completed a manual segmentation of a brain tumor from the BraTS dataset using 3D Slicer (12+ hours of refinement and validation). I used: • Thresholding • Level tracing • Smoothing (to anatomi…

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## [Convert point cloud to surface model](https://discourse.slicer.org/t/convert-point-cloud-to-surface-model/21175)

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**Author:** [@Saima](https://discourse.slicer.org/u/Saima)\
**Replies:** 2\
**Last updated:** [June 19, 2025, 1:51pm UTC](https://discourse.slicer.org/t/convert-point-cloud-to-surface-model/21175 "2025-06-19T13:51:29Z")

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Hi andras, Is there a way to convert the point cloud (4colums, x,y,z,intensity) to surface model. Thank you Regards, Saima Safdar

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## [SetColor() in scripting lost all light reflection effect](https://discourse.slicer.org/t/setcolor-in-scripting-lost-all-light-reflection-effect/43398)

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**Author:** [@chz31](https://discourse.slicer.org/u/chz31)\
**Replies:** 5\
**Last updated:** [June 18, 2025, 9:20pm UTC](https://discourse.slicer.org/t/setcolor-in-scripting-lost-all-light-reflection-effect/43398 "2025-06-18T21:20:52Z")

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Whenever I set up color using modelNode.GetDisplayNode().SetColor() in Slicer Pytho console or a python script, the model appeared to lose all the light reflection and material effects. If I just click the color tabl…

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