# \#3d-printing

**URL:** https://discourse.slicer.org/tag/3d-printing/244.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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## [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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## [Is there a way to export in 3mf file format?](https://discourse.slicer.org/t/is-there-a-way-to-export-in-3mf-file-format/46130)

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**Author:** [@HelloAll](https://discourse.slicer.org/u/HelloAll)\
**Replies:** 7\
**Last updated:** [July 23, 2026, 1:41pm UTC](https://discourse.slicer.org/t/is-there-a-way-to-export-in-3mf-file-format/46130 "2026-07-23T13:41:14Z")

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Hi. I’m new to 3D Slicer. Is there a way to export files in 3mf format to make printing different segments with different colors easier?

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## [Help needed for segmenting an atrophic maxilla in 3D Slicer (for 3D printing)](https://discourse.slicer.org/t/help-needed-for-segmenting-an-atrophic-maxilla-in-3d-slicer-for-3d-printing/43922)

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**Author:** [@piero\_perez](https://discourse.slicer.org/u/piero_perez)\
**Replies:** 1\
**Last updated:** [August 3, 2025, 7:26pm UTC](https://discourse.slicer.org/t/help-needed-for-segmenting-an-atrophic-maxilla-in-3d-slicer-for-3d-printing/43922 "2025-08-03T19:26:48Z")

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I’m a dental student currently learning how to use 3D Slicer. My father, who is an implantologist, asked me to 3D print an atrophic maxilla based on a CT scan. I’m using the Segment Editor module. I’ve already tried ap…

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## [New 3D Slicer extension for planning and surgical guide generation for mandibular bone reconstruction](https://discourse.slicer.org/t/new-3d-slicer-extension-for-planning-and-surgical-guide-generation-for-mandibular-bone-reconstruction/17638)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 21\
**Last updated:** [May 2, 2025, 7:38pm UTC](https://discourse.slicer.org/t/new-3d-slicer-extension-for-planning-and-surgical-guide-generation-for-mandibular-bone-reconstruction/17638 "2025-05-02T19:38:22Z")

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BoneReconstructionPlanner is a 3D Slicer extension for virtual surgical planning of mandibular reconstruction with vascularized fibula free flap and generation of patient-specific surgical guides. BoneReconstructionPlan…

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## [Pet/CT Scan DICOM files show "Reference image in series does not contain geometry information" error](https://discourse.slicer.org/t/pet-ct-scan-dicom-files-show-reference-image-in-series-does-not-contain-geometry-information-error/42027)

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**Author:** [@neutronstar](https://discourse.slicer.org/u/neutronstar)\
**Replies:** 1\
**Last updated:** [March 8, 2025, 12:50am UTC](https://discourse.slicer.org/t/pet-ct-scan-dicom-files-show-reference-image-in-series-does-not-contain-geometry-information-error/42027 "2025-03-08T00:50:39Z")

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Hi! I’m sorry I’m very new to 3d Slicer. I’m trying to 3d print one of my organs from my pet/ct scan. When I upload it to 3d slicer I can see the results, but I can’t see the 3d model. What should I do to fix this iss…

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## [Modul "Export Tractography to PLY (mesh)" doesn't work in Slicer 5.7.0](https://discourse.slicer.org/t/modul-export-tractography-to-ply-mesh-doesnt-work-in-slicer-5-7-0/40805)

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**Author:** [@Elisabeth](https://discourse.slicer.org/u/Elisabeth)\
**Replies:** 1\
**Last updated:** [December 19, 2024, 8:26pm UTC](https://discourse.slicer.org/t/modul-export-tractography-to-ply-mesh-doesnt-work-in-slicer-5-7-0/40805 "2024-12-19T20:26:06Z")

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Problem report for Slicer 5.7.0-2024-12-13 win-amd64: \[please describe expected and actual behavior\] Dear community, I’ve done tractography in the 3D Slicer 5.7.0 software and now I planned to export my fiber bundle as…

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## [How to design 3D-printed surgical guide for mandible reconstruction](https://discourse.slicer.org/t/how-to-design-3d-printed-surgical-guide-for-mandible-reconstruction/19754)

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**Author:** [@manjula](https://discourse.slicer.org/u/manjula)\
**Replies:** 11\
**Last updated:** [July 23, 2024, 1:37pm UTC](https://discourse.slicer.org/t/how-to-design-3d-printed-surgical-guide-for-mandible-reconstruction/19754 "2024-07-23T13:37:45Z")

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This video shows how to get started with the Bone Reconstruction planner, an 3D Slicer extension for virtual surgical planning of mandibular reconstruction with vascularized fibula-free flap and generation of patient-spe…

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## [How to Perfectly Align Two STL Files from Segmentation for Dual Extrusion 3D Printing ?](https://discourse.slicer.org/t/how-to-perfectly-align-two-stl-files-from-segmentation-for-dual-extrusion-3d-printing/37056)

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**Author:** [@kiki98](https://discourse.slicer.org/u/kiki98)\
**Replies:** 1\
**Last updated:** [June 29, 2024, 9:42pm UTC](https://discourse.slicer.org/t/how-to-perfectly-align-two-stl-files-from-segmentation-for-dual-extrusion-3d-printing/37056 "2024-06-29T21:42:30Z")

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Hello! I segmented breast MRI images with 3D Slicer into two components: one including skin and fibroglandular tissues connected to the nipple, and the other consisting of the adipose tissue. I created the adipose compo…

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## [3D printable model of airways](https://discourse.slicer.org/t/3d-printable-model-of-airways/34718)

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**Author:** [@Matteboo](https://discourse.slicer.org/u/Matteboo)\
**Replies:** 1\
**Last updated:** [March 7, 2024, 9:32am UTC](https://discourse.slicer.org/t/3d-printable-model-of-airways/34718 "2024-03-07T09:32:12Z")

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Hello, I’m looking for a 3D printable model of airways. I’m not looking for something patient specific. If anybody has a file laying around of a 3D printable airways tree I’ll happily use it. Otherwise I’ll post mine o…

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## [Advice on editing STL files of bones ](https://discourse.slicer.org/t/advice-on-editing-stl-files-of-bones/34721)

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**Author:** [@daniel\_reale](https://discourse.slicer.org/u/daniel_reale)\
**Replies:** 2\
**Last updated:** [March 7, 2024, 3:17am UTC](https://discourse.slicer.org/t/advice-on-editing-stl-files-of-bones/34721 "2024-03-07T03:17:26Z")

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Well, So I’m doing my final year project, and as part of it I’ve been printing various versions of the same femur. I had one with the internal cavities, I’ve had one that’s solid throughout, I’ve had big ones and small …

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## [3D printing - PreForm integration extension](https://discourse.slicer.org/t/3d-printing-preform-integration-extension/11428)

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**Author:** [@JanWitowski](https://discourse.slicer.org/u/JanWitowski)\
**Replies:** 2\
**Last updated:** [June 27, 2023, 12:28am UTC](https://discourse.slicer.org/t/3d-printing-preform-integration-extension/11428 "2023-06-27T00:28:59Z")

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Hi, I am doing research on medical image processing, including segmentation and 3D printing. Recently, I have been working on a small Slicer extension that integrates 3D Slicer with PreForm. PreForm is a software by For…

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## [How can I fill a hollow area present in a femur head?](https://discourse.slicer.org/t/how-can-i-fill-a-hollow-area-present-in-a-femur-head/28804)

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**Author:** [@JESUS](https://discourse.slicer.org/u/JESUS)\
**Replies:** 1\
**Last updated:** [April 7, 2023, 10:09pm UTC](https://discourse.slicer.org/t/how-can-i-fill-a-hollow-area-present-in-a-femur-head/28804 "2023-04-07T22:09:41Z")

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Hello my name is Jesus, I am doing a project in which I must do a 3D modeling, using DCOM images. But I have a small problem, some areas present in the head of the femur are not completely filled, and I do not know what …

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## [Export Volume Rendering as stack of PNG's. NOT stl's](https://discourse.slicer.org/t/export-volume-rendering-as-stack-of-pngs-not-stls/3333)

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**Author:** [@JoeCrozier](https://discourse.slicer.org/u/JoeCrozier)\
**Replies:** 85\
**Last updated:** [January 28, 2023, 6:37pm UTC](https://discourse.slicer.org/t/export-volume-rendering-as-stack-of-pngs-not-stls/3333 "2023-01-28T18:37:45Z")

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Operating system:Windows 10 Pro Slicer version:4.9.0 Hello. I did a quick google search but nothing showed up so I was wondering if you could help me. I am very familiar with thresholding/segmenting/exporting as stl’…

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## [BoneReconstructionPlanner not generating bone models/cutting guides](https://discourse.slicer.org/t/bonereconstructionplanner-not-generating-bone-models-cutting-guides/27188)

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**Author:** [@R\_Nara](https://discourse.slicer.org/u/R_Nara)\
**Replies:** 18\
**Last updated:** [January 22, 2023, 10:53am UTC](https://discourse.slicer.org/t/bonereconstructionplanner-not-generating-bone-models-cutting-guides/27188 "2023-01-22T10:53:42Z")

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Dear Sir, I’m trying to plan a case of mandibular reconstruction using BoneReconstructionPlanner, but i’m stuck at one step, “create bone models from segmentations” doesn’t do anything and returns empty bone models, hen…

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## [When loading a DICOMRT file from MIM into 3DSlicer, there is a strange slit that appears. ](https://discourse.slicer.org/t/when-loading-a-dicomrt-file-from-mim-into-3dslicer-there-is-a-strange-slit-that-appears/27361)

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**Author:** [@rickyman12](https://discourse.slicer.org/u/rickyman12)\
**Replies:** 1\
**Last updated:** [January 19, 2023, 6:14pm UTC](https://discourse.slicer.org/t/when-loading-a-dicomrt-file-from-mim-into-3dslicer-there-is-a-strange-slit-that-appears/27361 "2023-01-19T18:14:43Z")

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We exported a DICOM-RT file from MIM into 3DSlicer. The segmentation displays well on 2D View. In 3D render it shows as having 2 slits, which do not appear on 3D surface view in MIM. Wondering why this happens and if the…

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## [Printing volume renderings in plastic](https://discourse.slicer.org/t/printing-volume-renderings-in-plastic/3017)

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**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\
**Replies:** 16\
**Last updated:** [August 19, 2022, 3:40pm UTC](https://discourse.slicer.org/t/printing-volume-renderings-in-plastic/3017 "2022-08-19T15:40:32Z")

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A question that comes up on this forum from time to time is why we can’t just 3D print the volume rendered view. We explain that most printers today expect STL surface models and we go into the difference between volume…

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## [Eagle CT data set-how to improve CT resolution\_ Preferred CT settings](https://discourse.slicer.org/t/eagle-ct-data-set-how-to-improve-ct-resolution-preferred-ct-settings/22916)

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**Author:** [@Dexter777](https://discourse.slicer.org/u/Dexter777)\
**Replies:** 5\
**Last updated:** [April 13, 2022, 3:56am UTC](https://discourse.slicer.org/t/eagle-ct-data-set-how-to-improve-ct-resolution-preferred-ct-settings/22916 "2022-04-13T03:56:52Z")

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I am segmenting the skeleton of an eagle that was electrocuted. He has since recovered and is doing well. The middle section of his lungs and spine are much darker and the resolution is not as clear as other areas…

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## [Why my 3D-printed model doesn't match the real size?](https://discourse.slicer.org/t/why-my-3d-printed-model-doesnt-match-the-real-size/19688)

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**Author:** [@arezoo.movahed](https://discourse.slicer.org/u/arezoo.movahed)\
**Replies:** 1\
**Last updated:** [September 15, 2021, 6:27pm UTC](https://discourse.slicer.org/t/why-my-3d-printed-model-doesnt-match-the-real-size/19688 "2021-09-15T18:27:55Z")

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Hello, I remodel a human heart, actually I used my Mom’s CT Angiography data, and after segmentation, I exported a stl file and 3D-Print it. But the model is so big and doesn’t match the real size. I was wondering wha…

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## [Airway segmentation](https://discourse.slicer.org/t/airway-segmentation/8940)

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**Author:** [@Kedar\_Hibare](https://discourse.slicer.org/u/Kedar_Hibare)\
**Replies:** 4\
**Last updated:** [August 3, 2020, 8:19am UTC](https://discourse.slicer.org/t/airway-segmentation/8940 "2020-08-03T08:19:58Z")

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Hi, I am new to 3D slicer and I am learning by trial and error airway segmentation so that I can design airway prosthesis (airway stents). I wish to 3D print the same after doing so. I haven’t been able to master it with…

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## [Interest in integration with Formlabs PreForm software?](https://discourse.slicer.org/t/interest-in-integration-with-formlabs-preform-software/9172)

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**Author:** [@Gaurav](https://discourse.slicer.org/u/Gaurav)\
**Replies:** 3\
**Last updated:** [December 1, 2019, 10:01pm UTC](https://discourse.slicer.org/t/interest-in-integration-with-formlabs-preform-software/9172 "2019-12-01T22:01:21Z")

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Hi all – question for the group: is there any demand for a Slicer extension that would connect the software to PreForm software from Formlabs? PreForm is free print preparation software for Formlabs 3D printers and reads…