# Latest

**URL:** https://forum.techsoft3d.com/latest.md

[Latest](https://forum.techsoft3d.com/latest.md) · [Categories](https://forum.techsoft3d.com/categories.md) · [Tags](https://forum.techsoft3d.com/tags.md)

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## [Welcome to the TechSoft 3D Community Forums!](https://forum.techsoft3d.com/t/welcome-to-the-techsoft-3d-community-forums/414)

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**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\
**Replies:** 0\
**Last updated:** [July 28, 2021, 4:39pm UTC](https://forum.techsoft3d.com/t/welcome-to-the-techsoft-3d-community-forums/414 "2021-07-28T16:39:20Z")

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Hello! We’re excited to have you as part of the TechSoft 3D Community Forum. To get started in the community and become familiar with it, follow the steps below: Log in – To get started you’ll need to log into your a…

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## [How to use the right Tech Soft 3D resources to find information](https://forum.techsoft3d.com/t/how-to-use-the-right-tech-soft-3d-resources-to-find-information/1723)

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**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\
**Replies:** 0\
**Last updated:** [March 15, 2023, 6:50pm UTC](https://forum.techsoft3d.com/t/how-to-use-the-right-tech-soft-3d-resources-to-find-information/1723 "2023-03-15T18:50:51Z")

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Our forum is designed for everyone, from our partners to our evaluators to use. However, there may be some instances where it may make more sense to use one of our other tools. Below, we’ll go over the best ways to get t…

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## [XRay / DoNotXRay — isolated nodes look faded / washed out (especially after camera zoom)](https://forum.techsoft3d.com/t/xray-donotxray-isolated-nodes-look-faded-washed-out-especially-after-camera-zoom/5210)

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**Author:** [@raja.r](https://forum.techsoft3d.com/u/raja.r)\
**Replies:** 6\
**Last updated:** [September 22, 2026, 8:50am UTC](https://forum.techsoft3d.com/t/xray-donotxray-isolated-nodes-look-faded-washed-out-especially-after-camera-zoom/5210 "2026-09-22T08:50:01Z")

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Question We’re using DrawMode.XRay as a “glass” isolation mode. Background geometry should be very transparent; isolated nodes should stay fully solid via InstanceModifier.DoNotXRay. After applying the sequence below, …

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## [Geometry is not highlighted when selecting a node](https://forum.techsoft3d.com/t/geometry-is-not-highlighted-when-selecting-a-node/5220)

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**Author:** [@phu\_bn](https://forum.techsoft3d.com/u/phu_bn)\
**Replies:** 4\
**Last updated:** [September 22, 2026, 3:49am UTC](https://forum.techsoft3d.com/t/geometry-is-not-highlighted-when-selecting-a-node/5220 "2026-09-22T03:49:57Z")

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We found an issue in the HOOPS Web Viewer where node 301 can be successfully selected, but its geometry is not highlighted. Please check the attached SCZ file and Assembly Tree files to investigate this issue. Investig…

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## [HOOPS Exchange won't load all properties from STEP files](https://forum.techsoft3d.com/t/hoops-exchange-wont-load-all-properties-from-step-files/4997)

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**Author:** [@oystein.handegard](https://forum.techsoft3d.com/u/oystein.handegard)\
**Replies:** 5\
**Last updated:** [September 17, 2026, 7:42am UTC](https://forum.techsoft3d.com/t/hoops-exchange-wont-load-all-properties-from-step-files/4997 "2026-09-17T07:42:13Z")

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It seems to me that HOOPS Exchange does not always load all properties from a STEP file. I haven’t managed to figure out exactly what makes a \`GENERAL\_PROPERTY\` in the STEP file disappear but I have found a small STEP fi…

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## [\[Bug\] SCS models render incompletely on Android devices in versions 2026.4.0+ (Works in 2026.1.0)](https://forum.techsoft3d.com/t/bug-scs-models-render-incompletely-on-android-devices-in-versions-2026-4-0-works-in-2026-1-0/5216)

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**Author:** [@orange007forunity](https://forum.techsoft3d.com/u/orange007forunity)\
**Replies:** 1\
**Last updated:** [September 10, 2026, 9:55pm UTC](https://forum.techsoft3d.com/t/bug-scs-models-render-incompletely-on-android-devices-in-versions-2026-4-0-works-in-2026-1-0/5216 "2026-09-10T21:55:59Z")

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“I’m encountering an issue where models loaded from SCS files using the ts3d-hoops/web-viewer npm package are rendering partially or incompletely on most Android devices. However, the display works perfectly fine on PC a…

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## [Sorted Labels Using Subwindows](https://forum.techsoft3d.com/t/sorted-labels-using-subwindows/5212)

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**Author:** [@mike](https://forum.techsoft3d.com/u/mike)\
**Replies:** 0\
**Last updated:** [September 8, 2026, 11:04pm UTC](https://forum.techsoft3d.com/t/sorted-labels-using-subwindows/5212 "2026-09-08T23:04:25Z")

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“Labels” can be a useful tool to annotate different aspects of a model. Ideally, these labels are front facing and support properly managing their display relative to the model and other labels. For example, the applicat…

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## [AutoCAD OEM / ODIS – proper way to handle product updates and ProductGuid?](https://forum.techsoft3d.com/t/autocad-oem-odis-proper-way-to-handle-product-updates-and-productguid/5211)

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**Author:** [@mm1](https://forum.techsoft3d.com/u/mm1)\
**Replies:** 0\
**Last updated:** [September 7, 2026, 8:59am UTC](https://forum.techsoft3d.com/t/autocad-oem-odis-proper-way-to-handle-product-updates-and-productguid/5211 "2026-09-07T08:59:21Z")

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Hello, This is a more detailed follow-up to my previous post „OEM-stamped software - installation and updates“. I am using the AutoCAD OEM Install Wizard to create installations for our AutoCAD OEM based application G6…

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## [Investigate on A3D\_LOAD\_CANNOT\_LOAD\_MODEL in C# HOOPS Exchange](https://forum.techsoft3d.com/t/investigate-on-a3d-load-cannot-load-model-in-c-hoops-exchange/5209)

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**Author:** [@giulia.picciau](https://forum.techsoft3d.com/u/giulia.picciau)\
**Replies:** 1\
**Last updated:** [September 4, 2026, 2:42pm UTC](https://forum.techsoft3d.com/t/investigate-on-a3d-load-cannot-load-model-in-c-hoops-exchange/5209 "2026-09-04T14:42:08Z")

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Hello, I am able to load and process CAD files with the HOOPS Exchange C# API, but on a specific Naviswork model the loading process fails. I have pinpointed the issue being in the call to API.A3DAsmModelFileLoadFromFil…

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## [Are Hoops IDs deterministic when converting to SCS from STEP file](https://forum.techsoft3d.com/t/are-hoops-ids-deterministic-when-converting-to-scs-from-step-file/5162)

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**Author:** [@mark.aronin](https://forum.techsoft3d.com/u/mark.aronin)\
**Replies:** 3\
**Last updated:** [August 31, 2026, 8:27pm UTC](https://forum.techsoft3d.com/t/are-hoops-ids-deterministic-when-converting-to-scs-from-step-file/5162 "2026-08-31T20:27:59Z")

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When converting the exact same STEP file to SCS file, are the hoops offsets and naming the same when the SCS file is generated and loaded? Basically I want to know if the tree structure of the SCS file is exactly the sa…

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## [Issues with AutoCAD OEM 2025 Installer Wizard](https://forum.techsoft3d.com/t/issues-with-autocad-oem-2025-installer-wizard/3693)

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**Author:** [@stephan.kaiser](https://forum.techsoft3d.com/u/stephan.kaiser)\
**Replies:** 13\
**Last updated:** [August 20, 2026, 12:31pm UTC](https://forum.techsoft3d.com/t/issues-with-autocad-oem-2025-installer-wizard/3693 "2026-08-20T12:31:26Z")

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The make wizard runs successfully and the generated output looks as expected. We encountered two issues with the installer wizard: The installer wizard generates a line in the output image’s XML file which the setup.e…

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## [SolidWorks SLDPRT imports with broken faces in HOOPS Visualize Web, but STEP from Creo works fine](https://forum.techsoft3d.com/t/solidworks-sldprt-imports-with-broken-faces-in-hoops-visualize-web-but-step-from-creo-works-fine/5205)

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**Author:** [@3213265944](https://forum.techsoft3d.com/u/3213265944)\
**Replies:** 0\
**Last updated:** [August 18, 2026, 8:29am UTC](https://forum.techsoft3d.com/t/solidworks-sldprt-imports-with-broken-faces-in-hoops-visualize-web-but-step-from-creo-works-fine/5205 "2026-08-18T08:29:59Z")

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Hi HOOPS team, I’m seeing a geometry issue when converting a SolidWorks \`.SLDPRT\` file with HOOPS Visualize Web / Converter. Problem: - Direct conversion of the SolidWorks source file produces broken / exploded faces i…

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## [HOOPS AI Inside a HOOPS Visualize Desktop + Exchange Application: Similar-Part Search Across 10,000 CAD Files](https://forum.techsoft3d.com/t/hoops-ai-inside-a-hoops-visualize-desktop-exchange-application-similar-part-search-across-10-000-cad-files/5203)

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**Author:** [@Toshi-TS3D](https://forum.techsoft3d.com/u/Toshi-TS3D)\
**Replies:** 0\
**Last updated:** [August 17, 2026, 4:01am UTC](https://forum.techsoft3d.com/t/hoops-ai-inside-a-hoops-visualize-desktop-exchange-application-similar-part-search-across-10-000-cad-files/5203 "2026-08-17T04:01:47Z")

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HOOPS AI Inside a HOOPS Visualize Desktop + Exchange Application: Similar-Part Search Across 10,000 CAD Files Last time I confirmed that a native application can call HOOPS AI directly through a C ABI bridge with CPython…

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## [2D text (angled) with background](https://forum.techsoft3d.com/t/2d-text-angled-with-background/5202)

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**Author:** [@simon](https://forum.techsoft3d.com/u/simon)\
**Replies:** 0\
**Last updated:** [August 14, 2026, 11:03pm UTC](https://forum.techsoft3d.com/t/2d-text-angled-with-background/5202 "2026-08-14T23:03:59Z")

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For 2D texts, by default, backgrounds will be screen aligned. If you call HC\_Set\_Text\_Path() to angle you texts, text’s background will look like the screenshot below. If you want to maintain background size, you s…

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## [Using HOOPS AI from a Fully Local Desktop Application](https://forum.techsoft3d.com/t/using-hoops-ai-from-a-fully-local-desktop-application/5200)

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**Author:** [@Toshi-TS3D](https://forum.techsoft3d.com/u/Toshi-TS3D)\
**Replies:** 0\
**Last updated:** [August 7, 2026, 1:50am UTC](https://forum.techsoft3d.com/t/using-hoops-ai-from-a-fully-local-desktop-application/5200 "2026-08-07T01:50:30Z")

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Using HOOPS AI from a Fully Local Desktop Application I installed HOOPS AI, worked through the Jupyter notebook tutorials, then wrapped it as a REST API with FastAPI, and after that put an MCP server in front of it so an…

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## [DWG and Revit support Linux arm64](https://forum.techsoft3d.com/t/dwg-and-revit-support-linux-arm64/5192)

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**Author:** [@mop1egn0bz2z](https://forum.techsoft3d.com/u/mop1egn0bz2z)\
**Replies:** 2\
**Last updated:** [July 31, 2026, 12:14am UTC](https://forum.techsoft3d.com/t/dwg-and-revit-support-linux-arm64/5192 "2026-07-31T00:14:35Z")

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I looked at your documentation, and DWG and Revit don’t support Linux arm64. I compared it with ODA’s info, and their products do support Linux arm64. I wanted to ask, will your products support Linux arm64 in the future…

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## [How to use Convert to convert rvt files into SC files, and the sphere-like part of the model appears smooth](https://forum.techsoft3d.com/t/how-to-use-convert-to-convert-rvt-files-into-sc-files-and-the-sphere-like-part-of-the-model-appears-smooth/2599)

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**Author:** [@rohagax695](https://forum.techsoft3d.com/u/rohagax695)\
**Replies:** 8\
**Last updated:** [July 29, 2026, 10:51pm UTC](https://forum.techsoft3d.com/t/how-to-use-convert-to-convert-rvt-files-into-sc-files-and-the-sphere-like-part-of-the-model-appears-smooth/2599 "2026-07-29T22:51:39Z")

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The similar spherical body in the rvt model of REVIT design software is converted to an SC file, and the surface shows concave-convex deformation and is not smooth. How to use Convert to convert rvt files into SC files, …

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## [Support for welds added via CreoWelds](https://forum.techsoft3d.com/t/support-for-welds-added-via-creowelds/5177)

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**Author:** [@RT\_CS](https://forum.techsoft3d.com/u/RT_CS)\
**Replies:** 1\
**Last updated:** [July 29, 2026, 6:03pm UTC](https://forum.techsoft3d.com/t/support-for-welds-added-via-creowelds/5177 "2026-07-29T18:03:17Z")

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I’m not finding any mention in your docs, so posting here. Does HE support import of welds added via creo welding? I believe HE supports welding of some sort, but not finding information about Creo specific support. R…

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## [How to import revit model with normal data?](https://forum.techsoft3d.com/t/how-to-import-revit-model-with-normal-data/5196)

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**Author:** [@820110017](https://forum.techsoft3d.com/u/820110017)\
**Replies:** 0\
**Last updated:** [July 29, 2026, 9:00am UTC](https://forum.techsoft3d.com/t/how-to-import-revit-model-with-normal-data/5196 "2026-07-29T09:00:52Z")

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Hi, I tried using the demo viewer 25.2 to view the Revit model, but the surface of the steel pipe is not smooth. Is there any parameter that can make it smooth？ Thanks.

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## [How to add Image into SCZ using authoring C++ API](https://forum.techsoft3d.com/t/how-to-add-image-into-scz-using-authoring-c-api/5194)

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**Author:** [@fan.rong](https://forum.techsoft3d.com/u/fan.rong)\
**Replies:** 1\
**Last updated:** [July 28, 2026, 6:23pm UTC](https://forum.techsoft3d.com/t/how-to-add-image-into-scz-using-authoring-c-api/5194 "2026-07-28T18:23:38Z")

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My application uses Stream Cache C++ APIs to generate SCZ file. Now there is requirement that, export Image file into SCZ file, and I am not sure how to do it. I checked documents, and knew that I can use Insert functio…

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## [How to: Apply texture to each face of a shell (HPS)](https://forum.techsoft3d.com/t/how-to-apply-texture-to-each-face-of-a-shell-hps/5187)

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**Author:** [@simon](https://forum.techsoft3d.com/u/simon)\
**Replies:** 0\
**Last updated:** [July 17, 2026, 11:35pm UTC](https://forum.techsoft3d.com/t/how-to-apply-texture-to-each-face-of-a-shell-hps/5187 "2026-07-17T23:35:31Z")

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Following sample code apply texture to separate faces of a shell. You can copy/paste sample to hps\_mfc\_sandbox. Screenshot: Sample Code: SegmentKey modelKey = GetCanvas().GetFrontView().GetAttachedModel().GetS…

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## [Version Compatibility Issue: HC 2025.6.1 Models Not Supported in HC 2025.6.0](https://forum.techsoft3d.com/t/version-compatibility-issue-hc-2025-6-1-models-not-supported-in-hc-2025-6-0/5182)

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**Author:** [@raja.r](https://forum.techsoft3d.com/u/raja.r)\
**Replies:** 1\
**Last updated:** [July 16, 2026, 10:15pm UTC](https://forum.techsoft3d.com/t/version-compatibility-issue-hc-2025-6-1-models-not-supported-in-hc-2025-6-0/5182 "2026-07-16T22:15:14Z")

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We understand that HOOPS Communicator 2025.6.1 is a Windows-only patch and that other platforms should continue using 2025.6.0. However, 2025.6.0 is no longer available for download on Windows, so Windows users are forc…

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## [Feature request: Per-group outline colour for simultaneous through-part highlighting](https://forum.techsoft3d.com/t/feature-request-per-group-outline-colour-for-simultaneous-through-part-highlighting/5180)

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**Author:** [@zak](https://forum.techsoft3d.com/u/zak)\
**Replies:** 1\
**Last updated:** [July 14, 2026, 12:54pm UTC](https://forum.techsoft3d.com/t/feature-request-per-group-outline-colour-for-simultaneous-through-part-highlighting/5180 "2026-07-14T12:54:47Z")

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Summary Provide a way to render multiple element/node groups at once, each with its own outline colour that reads through occluding geometry. Today the only style that shows through the part — the selection outline (Sele…

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## [Putting an AI Agent in Front of HOOPS AI via MCP](https://forum.techsoft3d.com/t/putting-an-ai-agent-in-front-of-hoops-ai-via-mcp/5179)

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**Author:** [@Toshi-TS3D](https://forum.techsoft3d.com/u/Toshi-TS3D)\
**Replies:** 0\
**Last updated:** [July 13, 2026, 5:00am UTC](https://forum.techsoft3d.com/t/putting-an-ai-agent-in-front-of-hoops-ai-via-mcp/5179 "2026-07-13T05:00:12Z")

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Putting an AI Agent in Front of HOOPS AI via MCP I put an MCP layer in front of a small FastAPI service wrapping HOOPS AI, so an AI agent (Claude Desktop) can drive HOOPS AI tutorial workflows through the same API a conv…

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## [Errors After model.clear() and loadSubtreeFromModel()](https://forum.techsoft3d.com/t/errors-after-model-clear-and-loadsubtreefrommodel/5171)

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**Author:** [@raja.r](https://forum.techsoft3d.com/u/raja.r)\
**Replies:** 3\
**Last updated:** [June 30, 2026, 11:40am UTC](https://forum.techsoft3d.com/t/errors-after-model-clear-and-loadsubtreefrommodel/5171 "2026-06-30T11:40:31Z")

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Hi, I’m seeing a couple of rejected promise errors when switching between 2D sheets in HOOPS Visualize Web 2025.6. Code await viewer2d.model.clear(); await iafViewer.\_viewer2d.model.loadSubtreeFromModel( iafView…

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## [Understanding Cascaded Attribute Evaluation When Importing Prototype and ProductOccurrence Separately](https://forum.techsoft3d.com/t/understanding-cascaded-attribute-evaluation-when-importing-prototype-and-productoccurrence-separately/5172)

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**Author:** [@diliji2008](https://forum.techsoft3d.com/u/diliji2008)\
**Replies:** 0\
**Last updated:** [June 29, 2026, 10:02pm UTC](https://forum.techsoft3d.com/t/understanding-cascaded-attribute-evaluation-when-importing-prototype-and-productoccurrence-separately/5172 "2026-06-29T22:02:04Z")

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\# Understanding Cascaded Attribute Evaluation Across Prototype Boundaries Hi, I’m implementing a CAD importer based on HOOPS Exchange and have some questions about the intended usage of \`A3DMiscCascadedAttributesPush()…

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## [Wrapping HOOPS AI as a REST API with FastAPI](https://forum.techsoft3d.com/t/wrapping-hoops-ai-as-a-rest-api-with-fastapi/5168)

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**Author:** [@Toshi-TS3D](https://forum.techsoft3d.com/u/Toshi-TS3D)\
**Replies:** 0\
**Last updated:** [June 29, 2026, 12:51am UTC](https://forum.techsoft3d.com/t/wrapping-hoops-ai-as-a-rest-api-with-fastapi/5168 "2026-06-29T00:51:34Z")

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Wrapping HOOPS AI as a REST API with FastAPI Most manufacturing software I’ve worked on — apps, services, plugins — was C/C++, C#, or JavaScript/TypeScript, with npm handling dependencies, built in Visual Studio or VS Co…

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## [I tried running HOOPS AI V1.1 headless on Ubuntu 24.04 (EC2)](https://forum.techsoft3d.com/t/i-tried-running-hoops-ai-v1-1-headless-on-ubuntu-24-04-ec2/5165)

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**Author:** [@Toshi-TS3D](https://forum.techsoft3d.com/u/Toshi-TS3D)\
**Replies:** 0\
**Last updated:** [June 24, 2026, 6:59am UTC](https://forum.techsoft3d.com/t/i-tried-running-hoops-ai-v1-1-headless-on-ubuntu-24-04-ec2/5165 "2026-06-24T06:59:22Z")

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I tried running HOOPS AI V1.1 headless on Ubuntu 24.04 (EC2) HOOPS AI V1.1 added Linux support, which is great news if you’re deploying to servers instead of workstations. But most server deployments are headless — no di…

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## [Memory usage doubles when calling loadSubtreeFromModel() in HOOPS Communicator 2026.4 (not seen in 2023 SP1)](https://forum.techsoft3d.com/t/memory-usage-doubles-when-calling-loadsubtreefrommodel-in-hoops-communicator-2026-4-not-seen-in-2023-sp1/5163)

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**Author:** [@raja.r](https://forum.techsoft3d.com/u/raja.r)\
**Replies:** 8\
**Last updated:** [June 17, 2026, 4:05pm UTC](https://forum.techsoft3d.com/t/memory-usage-doubles-when-calling-loadsubtreefrommodel-in-hoops-communicator-2026-4-not-seen-in-2023-sp1/5163 "2026-06-17T16:05:47Z")

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Hi Team, We are currently upgrading our application from HOOPS Communicator 2023 SP1 to 2026.4 and have encountered a memory-related issue. Scenario We load linked models using: subRootNodeId = gfxResObject.inde…

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## [Request for Latest HOOPS SDK for Linux ARM](https://forum.techsoft3d.com/t/request-for-latest-hoops-sdk-for-linux-arm/5159)

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**Author:** [@whai](https://forum.techsoft3d.com/u/whai)\
**Replies:** 2\
**Last updated:** [June 8, 2026, 9:51pm UTC](https://forum.techsoft3d.com/t/request-for-latest-hoops-sdk-for-linux-arm/5159 "2026-06-08T21:51:49Z")

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Hi, I am currently evaluating the HOOPS SDK Latest version . The available trial download appears to be for the x86-64 architecture, but our system is based on arm. How to download it?

[Next page](https://forum.techsoft3d.com/latest.md?page=1)
