# Latest

**URL:** https://discourse.slicer.org/latest.md?page=8

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

**Page:** 9

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## [Muscle Segmentation without Organ](https://discourse.slicer.org/t/muscle-segmentation-without-organ/40695)

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**Author:** [@kwonheokju](https://discourse.slicer.org/u/kwonheokju)\
**Replies:** 1\
**Last updated:** [July 14, 2026, 3:58pm UTC](https://discourse.slicer.org/t/muscle-segmentation-without-organ/40695 "2026-07-14T15:58:12Z")

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Hi, I’m a student who uses a 3D Slicer. I’m splitting certain muscles. But it takes too long to split this up. I’ve tried Volume Rendering, but it doesn’t seem to fix it here. And even if it does, it’s difficult. Set…

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## [Muscle segmentation](https://discourse.slicer.org/t/muscle-segmentation/6197)

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**Author:** [@Melodicpinpon](https://discourse.slicer.org/u/Melodicpinpon)\
**Replies:** 5\
**Last updated:** [July 14, 2026, 3:55pm UTC](https://discourse.slicer.org/t/muscle-segmentation/6197 "2026-07-14T15:55:55Z")

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Good evening gentlemen, I would like to get a visualisation / segmentation of isolated muscles. Which method do you recommend? The purpose is to get the general volume of each of the muscles to create a 2D drawings of…

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## [Asking question about GLCM per angle in radiomics](https://discourse.slicer.org/t/asking-question-about-glcm-per-angle-in-radiomics/44967)

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**Author:** [@Nicolas\_hsieh](https://discourse.slicer.org/u/Nicolas_hsieh)\
**Replies:** 16\
**Last updated:** [July 14, 2026, 1:06am UTC](https://discourse.slicer.org/t/asking-question-about-glcm-per-angle-in-radiomics/44967 "2026-07-14T01:06:23Z")

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Hello, I’m new to the Pyradiomics. Recently, I read the document of Pyradiomics. It seems that I can’t use Pyradiomics to calculate GLCM per angle(eg. energy per angles or entropy per angle). Is there any method to calcu…

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## [Extract slice view rotations? (For applying to crop volume ROI)](https://discourse.slicer.org/t/extract-slice-view-rotations-for-applying-to-crop-volume-roi/47607)

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**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 1\
**Last updated:** [July 13, 2026, 5:01pm UTC](https://discourse.slicer.org/t/extract-slice-view-rotations-for-applying-to-crop-volume-roi/47607 "2026-07-13T17:01:21Z")

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Is there a way to extract the rotation transform of slice views rotated using ctrl-alt-left-click-and-drag? It would be super handy to be able to take that and paste it into a transform to apply to a crop volume ROI. It’…

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## [Write 3D model to CT images](https://discourse.slicer.org/t/write-3d-model-to-ct-images/47587)

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**Author:** [@KarelPenicka](https://discourse.slicer.org/u/KarelPenicka)\
**Replies:** 3\
**Last updated:** [July 13, 2026, 11:13am UTC](https://discourse.slicer.org/t/write-3d-model-to-ct-images/47587 "2026-07-13T11:13:03Z")

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Hello gentlemen. I have a 3D model of a mirrored healthy femur proximally aligned to the operated femur. In the 3D slicer I can see the difference and how they are superimposed. But I would like to write the 3D model int…

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## [How to implement real-time surgical navigation by mapping Intel RealSense D405 RGB-D camera with pre-operative CT/CBCT in 3D Slicer?](https://discourse.slicer.org/t/how-to-implement-real-time-surgical-navigation-by-mapping-intel-realsense-d405-rgb-d-camera-with-pre-operative-ct-cbct-in-3d-slicer/47604)

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**Author:** [@abhijeet2410](https://discourse.slicer.org/u/abhijeet2410)\
**Replies:** 0\
**Last updated:** [July 13, 2026, 4:38am UTC](https://discourse.slicer.org/t/how-to-implement-real-time-surgical-navigation-by-mapping-intel-realsense-d405-rgb-d-camera-with-pre-operative-ct-cbct-in-3d-slicer/47604 "2026-07-13T04:38:11Z")

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Hello everyone, Thank you for your kind attention. We are developing a real-time intraoral surgical navigation system using 3D Slicer and would appreciate guidance on the recommended workflow. Objective Our goal is to…

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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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## [Total Segmentator Extension Fails Installation on Slicer 5.12.0](https://discourse.slicer.org/t/total-segmentator-extension-fails-installation-on-slicer-5-12-0/47468)

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**Author:** [@amyers](https://discourse.slicer.org/u/amyers)\
**Replies:** 2\
**Last updated:** [July 7, 2026, 3:08pm UTC](https://discourse.slicer.org/t/total-segmentator-extension-fails-installation-on-slicer-5-12-0/47468 "2026-07-07T15:08:02Z")

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On Windows 11, I just installed Slicer 5.12.0 revision 34621, built 2026-06-24. I was able to install DentalSegmentator, SlicerOpenAnatomy, NNUnet, etc; however, TotalSegmentator failed to install. This is the error I r…

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## [Slicer oneline installer script](https://discourse.slicer.org/t/slicer-oneline-installer-script/47568)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 7\
**Last updated:** [July 12, 2026, 10:48am UTC](https://discourse.slicer.org/t/slicer-oneline-installer-script/47568 "2026-07-12T10:48:01Z")

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Hi all, I have created this one-line installer script for Slicer and I’d like to receive feedback from the community. It has been tested on Ubuntu 22 and Windows 10 Linux & macOS version: curl -fsSL https://raw.githu…

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## [Smallest specimen possible to image with Slicer Photogrammetry?](https://discourse.slicer.org/t/smallest-specimen-possible-to-image-with-slicer-photogrammetry/47522)

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**Author:** [@imfeldts001](https://discourse.slicer.org/u/imfeldts001)\
**Replies:** 5\
**Last updated:** [July 10, 2026, 5:38pm UTC](https://discourse.slicer.org/t/smallest-specimen-possible-to-image-with-slicer-photogrammetry/47522 "2026-07-10T17:38:57Z")

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Greetings! My students and I have begun a project using Slicer Photogrammetry to create 3D models of songbird skulls from natural history collection in the area. The platform has worked well for us with the largest spec…

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## [VICON and QUALISYS integration into PlusServer - almost done but remaining jitter issues](https://discourse.slicer.org/t/vicon-and-qualisys-integration-into-plusserver-almost-done-but-remaining-jitter-issues/47580)

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**Author:** [@AurelieS](https://discourse.slicer.org/u/AurelieS)\
**Replies:** 0\
**Last updated:** [July 8, 2026, 3:52pm UTC](https://discourse.slicer.org/t/vicon-and-qualisys-integration-into-plusserver-almost-done-but-remaining-jitter-issues/47580 "2026-07-08T15:52:59Z")

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Hi everyone, We have been working on integrating Vicon Nexus into our 3D ultrasound acquisition workflow based on PlusServer. The goal is to obtain a Vicon integration behaving as closely as possible to the native devic…

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## [Pelvic screw planification ](https://discourse.slicer.org/t/pelvic-screw-planification/47578)

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**Author:** [@Emile\_Vandromme](https://discourse.slicer.org/u/Emile_Vandromme)\
**Replies:** 2\
**Last updated:** [July 8, 2026, 3:46pm UTC](https://discourse.slicer.org/t/pelvic-screw-planification/47578 "2026-07-08T15:46:40Z")

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Hi everyone, I’m an orthopedic trauma surgeon and I’m currently trying to use 3D Slicer for preoperative planning of trans-sacral and sacroiliac screw fixation. I’m looking for a way to simulate the screw trajectory di…

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## [Automated dental tools are not working but dental segmentator is working. ](https://discourse.slicer.org/t/automated-dental-tools-are-not-working-but-dental-segmentator-is-working/47577)

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**Author:** [@Sum123](https://discourse.slicer.org/u/Sum123)\
**Replies:** 0\
**Last updated:** [July 8, 2026, 11:08am UTC](https://discourse.slicer.org/t/automated-dental-tools-are-not-working-but-dental-segmentator-is-working/47577 "2026-07-08T11:08:25Z")

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The automated dental tools are not working, however, Dental segmentator is working well. I have downloaded the latest version, 5.12. I need to work on the following tools: ALI, AMASSS, V FACE, CLIC, AREG, AUTOCROP 3D…

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## [issue with automated dental tools ](https://discourse.slicer.org/t/issue-with-automated-dental-tools/47576)

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**Author:** [@deepak\_R](https://discourse.slicer.org/u/deepak_R)\
**Replies:** 0\
**Last updated:** [July 8, 2026, 11:07am UTC](https://discourse.slicer.org/t/issue-with-automated-dental-tools/47576 "2026-07-08T11:07:49Z")

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Hello everyone, I am using 3D Slicer 5.12.0 (also tested with 5.10.0) and the latest AutomatedDentalTools extension from the Extension Manager. I am trying to run ALI on Carestream CBCT DICOM data. The volume loads co…

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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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## [Overlay of coregistered brain MRI and CT](https://discourse.slicer.org/t/overlay-of-coregistered-brain-mri-and-ct/35465)

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**Author:** [@Kerezoudis](https://discourse.slicer.org/u/Kerezoudis)\
**Replies:** 2\
**Last updated:** [July 8, 2026, 8:53am UTC](https://discourse.slicer.org/t/overlay-of-coregistered-brain-mri-and-ct/35465 "2026-07-08T08:53:44Z")

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Operating system: MacOs Sonoma 14.4.1 Slicer version: 5.6.1 Expected behavior: I would like to overlay preoperative brain MRI with postoperative CT (after electrode placement) Actual behavior: images are not aligned. …

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## [Possible disruption to slicer.org](https://discourse.slicer.org/t/possible-disruption-to-slicer-org/47566)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [July 7, 2026, 6:42pm UTC](https://discourse.slicer.org/t/possible-disruption-to-slicer-org/47566 "2026-07-07T18:42:14Z")

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We are in the process of addressing some issues with the Slicer wiki, which is on the same server as slicer.org. The site may become inaccessible for a short period of time. The download site and package server will no…

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## [Screen error - Black screen with double arrows when using ROI in Volume Rendering](https://discourse.slicer.org/t/screen-error-black-screen-with-double-arrows-when-using-roi-in-volume-rendering/47563)

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**Author:** [@Jknaub](https://discourse.slicer.org/u/Jknaub)\
**Replies:** 2\
**Last updated:** [July 7, 2026, 5:03pm UTC](https://discourse.slicer.org/t/screen-error-black-screen-with-double-arrows-when-using-roi-in-volume-rendering/47563 "2026-07-07T17:03:53Z")

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Operating system: Windows 11 Slicer version: 5.8.1, 5.10, and 5.12 Expected behavior: Moving ROI bounding box during volume rendering Actual behavior: The entire screen changes to a black background with double arrow…

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## [Nninteractive (slicer client) is stuck](https://discourse.slicer.org/t/nninteractive-slicer-client-is-stuck/47550)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 9\
**Last updated:** [July 7, 2026, 4:37pm UTC](https://discourse.slicer.org/t/nninteractive-slicer-client-is-stuck/47550 "2026-07-07T16:37:59Z")

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It doesn’t pass this stage during the module initialization. This is on ubuntu 24.04 Switch to module: “SlicerNNInteractive” QObject::setParent: Cannot set parent, new parent is in a different thread QObject::setP…

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## [2026.07.07 Weekly Meeting](https://discourse.slicer.org/t/2026-07-07-weekly-meeting/47523)

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**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Replies:** 8\
**Last updated:** [July 7, 2026, 4:13pm UTC](https://discourse.slicer.org/t/2026-07-07-weekly-meeting/47523 "2026-07-07T16:13:40Z")

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Title: 2026.07.07 Weekly Meeting Next Tuesday, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: Google Meet meeting Agenda: Please post to this thr…

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## [I installed the Cochlear Automatic Segmentation extension successfully in 3D Slicer 5.8, ](https://discourse.slicer.org/t/i-installed-the-cochlear-automatic-segmentation-extension-successfully-in-3d-slicer-5-8/47562)

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**Author:** [@pasfri](https://discourse.slicer.org/u/pasfri)\
**Replies:** 0\
**Last updated:** [July 7, 2026, 1:39pm UTC](https://discourse.slicer.org/t/i-installed-the-cochlear-automatic-segmentation-extension-successfully-in-3d-slicer-5-8/47562 "2026-07-07T13:39:46Z")

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I installed the Cochlear Automatic Segmentation extension successfully in 3D Slicer 5.8, but it does not work. When I open the module, the output segmentation remains “None” and no segmentation is created after clicking …

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## [Crop segmentations with bounding box](https://discourse.slicer.org/t/crop-segmentations-with-bounding-box/47535)

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**Author:** [@sulli419](https://discourse.slicer.org/u/sulli419)\
**Replies:** 2\
**Last updated:** [July 7, 2026, 2:40am UTC](https://discourse.slicer.org/t/crop-segmentations-with-bounding-box/47535 "2026-07-07T02:40:07Z")

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Are there any tools for cropping segments as readily as volumes? Ideally, similar to volume cropping, I’d like to render my segments in 3D and adjust a bounding box where all segment labels outside are deleted. Thanks

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## [Clip vessel module creates non-flat cuts with ridges](https://discourse.slicer.org/t/clip-vessel-module-creates-non-flat-cuts-with-ridges/47536)

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**Author:** [@Sanjib\_Gurung](https://discourse.slicer.org/u/Sanjib_Gurung)\
**Replies:** 1\
**Last updated:** [July 7, 2026, 12:50am UTC](https://discourse.slicer.org/t/clip-vessel-module-creates-non-flat-cuts-with-ridges/47536 "2026-07-07T00:50:06Z")

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Hi, I am trying to use 3D slicer to generate 3D models for CFD. I need to create flat ends to serve as inlets and outlets. In my current model, Clip vessel module is generating non-flat ends with ridges and need help sol…

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## [Slicer Wiki appears to be down](https://discourse.slicer.org/t/slicer-wiki-appears-to-be-down/47528)

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**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\
**Replies:** 2\
**Last updated:** [July 6, 2026, 5:58pm UTC](https://discourse.slicer.org/t/slicer-wiki-appears-to-be-down/47528 "2026-07-06T17:58:02Z")

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I’m getting this bad gateway error on this link: https://www.slicer.org/wiki/Main\_Page/SlicerCommunity This is linked from the main page of slicer.org

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## [Using Cloud to run 3D Slicer](https://discourse.slicer.org/t/using-cloud-to-run-3d-slicer/47521)

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**Author:** [@Poupak\_Kermani](https://discourse.slicer.org/u/Poupak_Kermani)\
**Replies:** 3\
**Last updated:** [July 5, 2026, 5:20pm UTC](https://discourse.slicer.org/t/using-cloud-to-run-3d-slicer/47521 "2026-07-05T17:20:00Z")

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Hello, I do not have enough space in my laptop to run 3D Slicer. Could you please give me a step by step procedure on how to download and run 3D Slice using AWS Cloud service? Many Thanks

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## [C++ extension for 5.12 is not working (MacOS)](https://discourse.slicer.org/t/c-extension-for-5-12-is-not-working-macos/47542)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 6\
**Last updated:** [July 4, 2026, 4:16pm UTC](https://discourse.slicer.org/t/c-extension-for-5-12-is-not-working-macos/47542 "2026-07-04T16:16:32Z")

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@ebrahim @Sam\_Horvath @lassoan this is urgent: I just downloaded 5.12 for my MacOS, and quite a few of the C++ extension are installed but non-functional for due to library mismatch. I need these extensions for my Slice…

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## [STL Tooth Segmentation](https://discourse.slicer.org/t/stl-tooth-segmentation/47526)

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**Author:** [@cgroth](https://discourse.slicer.org/u/cgroth)\
**Replies:** 1\
**Last updated:** [July 2, 2026, 7:20pm UTC](https://discourse.slicer.org/t/stl-tooth-segmentation/47526 "2026-07-02T19:20:29Z")

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Hey all I’ve got the registration figured out but now I am trying to figure out how to make each tooth an individual segment/shell. After that, I need to add a point that is approximately 8mm from the CEJ and use that …

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## [Scrambled image when setting Oppacity \< 1 in an stl image](https://discourse.slicer.org/t/scrambled-image-when-setting-oppacity-1-in-an-stl-image/47533)

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**Author:** [@Octavio](https://discourse.slicer.org/u/Octavio)\
**Replies:** 0\
**Last updated:** [July 2, 2026, 4:12pm UTC](https://discourse.slicer.org/t/scrambled-image-when-setting-oppacity-1-in-an-stl-image/47533 "2026-07-02T16:12:39Z")

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Operating system: Windows Slicer version: 5.12.0 and 5.13.0-2026-06-30 r34833 / d401fce Expected behavior: Display .stl surfaces when setting “Edit Properties”: Opacity \< 1.0 Actual behavior: Slicer fills the scr…

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## [2D slice draw/erase maps to adjacent slice in 3D instead of current](https://discourse.slicer.org/t/2d-slice-draw-erase-maps-to-adjacent-slice-in-3d-instead-of-current/47460)

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**Author:** [@falko76](https://discourse.slicer.org/u/falko76)\
**Replies:** 1\
**Last updated:** [July 2, 2026, 12:52pm UTC](https://discourse.slicer.org/t/2d-slice-draw-erase-maps-to-adjacent-slice-in-3d-instead-of-current/47460 "2026-07-02T12:52:24Z")

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CT scan, using Watershed or Grow from Seeds from SegmentEditorExtraEffects. Detecting a bone OK and clicking apply. Segment mapping is done and visually in 2d and 3d it looks fine, but erasing or drawing in 2d affects n…

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## [Automate bone segmentation from MRI](https://discourse.slicer.org/t/automate-bone-segmentation-from-mri/21530)

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**Author:** [@Sezen](https://discourse.slicer.org/u/Sezen)\
**Replies:** 5\
**Last updated:** [July 2, 2026, 9:10am UTC](https://discourse.slicer.org/t/automate-bone-segmentation-from-mri/21530 "2026-07-02T09:10:49Z")

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Operating system:Windows 11 I am doing a project on whether it is possible to automate the segmentation of bone from specifically MRI scans however I am new to the software. Can anyone point me in the right direction or…

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