# \#Alembic

**URL:** https://forums.unrealengine.com/tag/alembic/7081.md

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## [Blend alembic grometry cache](https://forums.unrealengine.com/t/blend-alembic-grometry-cache/832182)

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**Author:** [@a-marthina](https://forums.unrealengine.com/u/a-marthina)\
**Replies:** 1\
**Last updated:** [November 11, 2026, 8:55pm UTC](https://forums.unrealengine.com/t/blend-alembic-grometry-cache/832182 "2026-11-11T20:55:43Z")

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Hello, Is it possible to blend between either multiple geometry caches or one cache, that has been cut in the sequencer, and blend them in the same way as skeletal animations in sequencer? I believe it could work in th…

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## [Alembic importation in Unreal ](https://forums.unrealengine.com/t/alembic-importation-in-unreal/2708649)

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**Author:** [@Vaanelle](https://forums.unrealengine.com/u/Vaanelle)\
**Replies:** 8\
**Last updated:** [July 21, 2026, 11:16am UTC](https://forums.unrealengine.com/t/alembic-importation-in-unreal/2708649 "2026-07-21T11:16:43Z")

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Hello, I’m having an issue importing Alembic files into my Unreal Engine project. I created a fluid simulation in LiquidGen and exported it as an .abc file. However, I’m unable to import any Alembic file into Unreal, w…

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## [UE 5 won’t import Alembic Groom Cache](https://forums.unrealengine.com/t/ue-5-won-t-import-alembic-groom-cache/2721440)

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**Author:** [@Peach.meantri](https://forums.unrealengine.com/u/Peach.meantri)\
**Replies:** 2\
**Last updated:** [May 27, 2026, 8:53pm UTC](https://forums.unrealengine.com/t/ue-5-won-t-import-alembic-groom-cache/2721440 "2026-05-27T20:53:43Z")

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Has anyone experienced this issue with Houdini Groom Cache imports in Unreal? I’m working on a Houdini → Unreal groom pipeline for cinematic hair, and I’m running into a really confusing problem with Groom Cache importi…

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## [GroomForge Blender to UE5 Groom Export](https://forums.unrealengine.com/t/groomforge-blender-to-ue5-groom-export/2714541)

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**Author:** [@ChamIseul](https://forums.unrealengine.com/u/ChamIseul)\
**Replies:** 1\
**Last updated:** [April 15, 2026, 10:22pm UTC](https://forums.unrealengine.com/t/groomforge-blender-to-ue5-groom-export/2714541 "2026-04-15T22:22:26Z")

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GroomForge Successfully exported Clump ID, Root UV, Color, and Roughness via Alembic. Every attribute from #Blender is now perfectly mapped in #UE5! Truly a breakthrough for my hair pipeline.

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## [Alembic Particles in UE5](https://forums.unrealengine.com/t/alembic-particles-in-ue5/2711331)

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**Author:** [@MADMOVIESINC](https://forums.unrealengine.com/u/MADMOVIESINC)\
**Replies:** 0\
**Last updated:** [April 4, 2026, 3:31am UTC](https://forums.unrealengine.com/t/alembic-particles-in-ue5/2711331 "2026-04-04T03:31:54Z")

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Hello there! I am wondering if there is a workflow currently to get alembic particle systems into UE5? I am exporting particles as alembic data from LiquiGen. At the moment, I can bring those particles into Blender, but …

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## [Alembic import triangles count mismatch](https://forums.unrealengine.com/t/alembic-import-triangles-count-mismatch/2573442)

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**Author:** [@r0nin8](https://forums.unrealengine.com/u/r0nin8)\
**Replies:** 1\
**Last updated:** [December 23, 2025, 2:08pm UTC](https://forums.unrealengine.com/t/alembic-import-triangles-count-mismatch/2573442 "2025-12-23T14:08:37Z")

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hi, when I try to import abc file for ML deformer training from Maya, i get vertex and triangles count mismatch. Alembic file looks ok in maya and blender, and also in unreal when imported as static mesh. but when import…

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## [Alembic geometry cache animated face sets not working](https://forums.unrealengine.com/t/alembic-geometry-cache-animated-face-sets-not-working/2648981)

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**Author:** [@BramStoutProd](https://forums.unrealengine.com/u/BramStoutProd)\
**Replies:** 1\
**Last updated:** [August 21, 2025, 11:48am UTC](https://forums.unrealengine.com/t/alembic-geometry-cache-animated-face-sets-not-working/2648981 "2025-08-21T11:48:59Z")

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I have an alembic that is a basic cube. It has five face sets on it and the face set assignments are animated. In the first couple of frames, all faces are assigned to the first face set. The next couple of frames, all f…

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## [Exporting from Xgen to Unreal with Root UVs](https://forums.unrealengine.com/t/exporting-from-xgen-to-unreal-with-root-uvs/472837)

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**Author:** [@ShepperdsHook](https://forums.unrealengine.com/u/ShepperdsHook)\
**Replies:** 8\
**Last updated:** [July 17, 2025, 5:41am UTC](https://forums.unrealengine.com/t/exporting-from-xgen-to-unreal-with-root-uvs/472837 "2025-07-17T05:41:06Z")

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Hey All, I am reaching out the community and other artists because I am currently struggling to export out my xgen groom to Unreal with Root Uvs. I am currently in the process of creating a groom for a raccoon, as you c…

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## [UE4.26 - Alembic/FBX animation caches not syncing up](https://forums.unrealengine.com/t/ue4-26-alembic-fbx-animation-caches-not-syncing-up/476189)

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**Author:** [@Jason\_Gagnon](https://forums.unrealengine.com/u/Jason_Gagnon)\
**Replies:** 2\
**Last updated:** [June 1, 2025, 5:18am UTC](https://forums.unrealengine.com/t/ue4-26-alembic-fbx-animation-caches-not-syncing-up/476189 "2025-06-01T05:18:59Z")

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Hey there, I’m struggling to get a match in the animation when importing an FBX and Alembic cache of the same animation from Maya. I’ve tried about everything I could, and based on searching around the forums it might s…

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## [Incorrect Groom Physics when rendering with anti aliasing option using Movie Render Queue](https://forums.unrealengine.com/t/incorrect-groom-physics-when-rendering-with-anti-aliasing-option-using-movie-render-queue/493986)

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**Author:** [@caisarhadi](https://forums.unrealengine.com/u/caisarhadi)\
**Replies:** 33\
**Last updated:** [May 23, 2025, 5:45pm UTC](https://forums.unrealengine.com/t/incorrect-groom-physics-when-rendering-with-anti-aliasing-option-using-movie-render-queue/493986 "2025-05-23T17:45:43Z")

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Halo Hive mind, Need help regarding custom groom rendering using movie render queue. Basically we develop our own custom metahuman with custom groom, physics is enabled. Everything is working properly, physics collisio…

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## [Import multiple Alembics at once](https://forums.unrealengine.com/t/import-multiple-alembics-at-once/2030530)

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**Author:** [@RashmikaMadushanB](https://forums.unrealengine.com/u/RashmikaMadushanB)\
**Replies:** 4\
**Last updated:** [April 17, 2025, 10:47am UTC](https://forums.unrealengine.com/t/import-multiple-alembics-at-once/2030530 "2025-04-17T10:47:39Z")

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Streamlining Alembic Imports in Unreal Engine 5 :video\_game::movie\_camera: I’m super excited to share a script I recently put together for Unreal Engine 5. If you’ve ever had to import Alembic files one by one, you know…

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## [Geometry Caches + Overlay Materials](https://forums.unrealengine.com/t/geometry-caches-overlay-materials/2394812)

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**Author:** [@schwarmatt](https://forums.unrealengine.com/u/schwarmatt)\
**Replies:** 6\
**Last updated:** [March 26, 2025, 9:21am UTC](https://forums.unrealengine.com/t/geometry-caches-overlay-materials/2394812 "2025-03-26T09:21:07Z")

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I have a project in which I’m dynamically setting overlay materials on objects to outline them when the player is close. This technique works fine for blueprints with static meshes. However, I have a different blueprint…

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## [Custom groom appears in weird patterns when animated](https://forums.unrealengine.com/t/custom-groom-appears-in-weird-patterns-when-animated/2256651)

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**Author:** [@hntercole](https://forums.unrealengine.com/u/hntercole)\
**Replies:** 2\
**Last updated:** [March 16, 2025, 4:18pm UTC](https://forums.unrealengine.com/t/custom-groom-appears-in-weird-patterns-when-animated/2256651 "2025-03-16T16:18:17Z")

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Hair appears in a weird pattern such as the frame from the animation above, another image showing how the hair sits correctly outside of sequencer. Exported alembic groom from a particle system in blender, body and …

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## [Pixelated Stepping error when groom binding](https://forums.unrealengine.com/t/pixelated-stepping-error-when-groom-binding/489009)

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**Author:** [@HuiHuiKing](https://forums.unrealengine.com/u/HuiHuiKing)\
**Replies:** 2\
**Last updated:** [February 28, 2025, 8:45am UTC](https://forums.unrealengine.com/t/pixelated-stepping-error-when-groom-binding/489009 "2025-02-28T08:45:42Z")

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I have a problem with Unreal groom while binding asset the hair was made in xgen and imported following this video: Hair at a Strand Level | Grooming your creations in Unreal Engine - YouTube so this is how it is befor…

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## [Crash Importing Alembic with Multiple Frames](https://forums.unrealengine.com/t/crash-importing-alembic-with-multiple-frames/389979)

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**Author:** [@hanwei](https://forums.unrealengine.com/u/hanwei)\
**Replies:** 7\
**Last updated:** [February 27, 2025, 7:39pm UTC](https://forums.unrealengine.com/t/crash-importing-alembic-with-multiple-frames/389979 "2025-02-27T19:39:08Z")

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I tried to import alembic files from Houdini using the geometry cache option. I successfully imported the alembic file with single one frame, but it resulted in crashes when I imported the alembic file by a specific numb…

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## [USD Asset animated. Animated 3D Models.](https://forums.unrealengine.com/t/usd-asset-animated-animated-3d-models/2325813)

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**Author:** [@LeanSaler](https://forums.unrealengine.com/u/LeanSaler)\
**Replies:** 0\
**Last updated:** [February 10, 2025, 3:13pm UTC](https://forums.unrealengine.com/t/usd-asset-animated-animated-3d-models/2325813 "2025-02-10T15:13:15Z")

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I have animated USD assets and when I upload them to FAB they can’t be processed? FAB allows animated objects that are not FBX? As far as I know, FBX only allows animation of transformations but does not allow movement…

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## [Alembic Clothes Geometric Cache Animation Flicker Problem](https://forums.unrealengine.com/t/alembic-clothes-geometric-cache-animation-flicker-problem/1374169)

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**Author:** [@Colonelx](https://forums.unrealengine.com/u/Colonelx)\
**Replies:** 3\
**Last updated:** [January 7, 2025, 2:10am UTC](https://forums.unrealengine.com/t/alembic-clothes-geometric-cache-animation-flicker-problem/1374169 "2025-01-07T02:10:31Z")

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Hello, I’ve been stuck on this project for a while due to a persistent issue. I’m working on a MetaHuman animation using Alembic clothes exported from Marvelous Designer. I’ve exported the clothes as Alembic and imported…

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## [Your favorite fur / hair / groom shader setup?](https://forums.unrealengine.com/t/your-favorite-fur-hair-groom-shader-setup/1808972)

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**Author:** [@Roy\_Wierer.Seda145](https://forums.unrealengine.com/u/Roy_Wierer.Seda145)\
**Replies:** 8\
**Last updated:** [November 29, 2024, 4:34pm UTC](https://forums.unrealengine.com/t/your-favorite-fur-hair-groom-shader-setup/1808972 "2024-11-29T16:34:12Z")

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Hi all, I’m documenting the process to get blender hair (particle system) into unreal engine’s new Groom asset type through alembic. Works just fine. But the resulting performance and graphics are nowhere close to what I…

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## [Dynamic normals for alembic / morph targets / geometry cache](https://forums.unrealengine.com/t/dynamic-normals-for-alembic-morph-targets-geometry-cache/1310334)

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**Author:** [@Andrej730](https://forums.unrealengine.com/u/Andrej730)\
**Replies:** 4\
**Last updated:** [November 4, 2024, 12:06am UTC](https://forums.unrealengine.com/t/dynamic-normals-for-alembic-morph-targets-geometry-cache/1310334 "2024-11-04T00:06:05Z")

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Hello! Is there some way to have in Unreal Engine animated mesh that can have different normals on each frame? This is important for shading when I import results of simulations using alembic. Currently it seems that U…

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## [Alembic Cloth simulation Issue](https://forums.unrealengine.com/t/alembic-cloth-simulation-issue/2002443)

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**Author:** [@BOBONEreborn](https://forums.unrealengine.com/u/BOBONEreborn)\
**Replies:** 0\
**Last updated:** [September 2, 2024, 6:13pm UTC](https://forums.unrealengine.com/t/alembic-cloth-simulation-issue/2002443 "2024-09-02T18:13:30Z")

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I have done a character cloth simulation in Marvelous Designer . Using the alembic in unreal . Everything is fine with simulation and in the unreal editor too , but after rendering I have checked all the frames and found…

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## [Groom distorted and not lined up correctly, even with a binding asset](https://forums.unrealengine.com/t/groom-distorted-and-not-lined-up-correctly-even-with-a-binding-asset/483151)

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**Author:** [@Henrylee54](https://forums.unrealengine.com/u/Henrylee54)\
**Replies:** 3\
**Last updated:** [July 2, 2024, 3:21am UTC](https://forums.unrealengine.com/t/groom-distorted-and-not-lined-up-correctly-even-with-a-binding-asset/483151 "2024-07-02T03:21:14Z")

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When I import a groom from Blender into UE4 with the recommended orientation settings (90 on x, -1 on y) the individual hair particles are not in the same place as they are in Blender. I ran a basic test with 3000 strand…

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## [Geometry Cache and alembic files not animating](https://forums.unrealengine.com/t/geometry-cache-and-alembic-files-not-animating/1817775)

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**Author:** [@eco\_bach2](https://forums.unrealengine.com/u/eco_bach2)\
**Replies:** 3\
**Last updated:** [June 19, 2024, 5:16pm UTC](https://forums.unrealengine.com/t/geometry-cache-and-alembic-files-not-animating/1817775 "2024-06-19T17:16:40Z")

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Any alembic experts able to provide feedback? I’ve exported my alembic files with animation several times but after importing in Unreal, dropping in Sequencer and adding a Geo Cache track, my animation is always missing…

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## [Alembic don't synchronize](https://forums.unrealengine.com/t/alembic-dont-synchronize/393405)

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**Author:** [@YoungSun3d](https://forums.unrealengine.com/u/YoungSun3d)\
**Replies:** 8\
**Last updated:** [June 4, 2024, 1:41pm UTC](https://forums.unrealengine.com/t/alembic-dont-synchronize/393405 "2024-06-04T13:41:24Z")

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Two months ago, I put the same problems in" AnswerHub" and “Forum”, in the Forum , Unreal Engine Developer said that “Some timing issues have had been addressed for 4.16…” But when I use UE4.16 Preview, still have t…

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## [Alembic model becomes distorted upon import](https://forums.unrealengine.com/t/alembic-model-becomes-distorted-upon-import/431246)

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**Author:** [@anonymous\_user\_0a83de8a](https://forums.unrealengine.com/u/anonymous_user_0a83de8a)\
**Replies:** 3\
**Last updated:** [May 25, 2024, 4:26am UTC](https://forums.unrealengine.com/t/alembic-model-becomes-distorted-upon-import/431246 "2024-05-25T04:26:59Z")

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I am trying to import an alembic file with animation into ue4. The problem is when I import it the mesh becomes very distorted. This is a screenshot of the mesh in cd4 (it’s a book in case the lack of materials makes it…

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## [Alembic isnt importing](https://forums.unrealengine.com/t/alembic-isnt-importing/1858153)

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**Author:** [@barrybro](https://forums.unrealengine.com/u/barrybro)\
**Replies:** 0\
**Last updated:** [May 16, 2024, 3:36am UTC](https://forums.unrealengine.com/t/alembic-isnt-importing/1858153 "2024-05-16T03:36:19Z")

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Unable to import mesh due to a face consisting of 9 vertices, expecting triangles (3) or quads (4). Im getting this errror right now but even though i take it to maya and clean up the mesh, its still saying the same thi…

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## [Is it possible to use geometry cache animation for lip sync or facial animations?](https://forums.unrealengine.com/t/is-it-possible-to-use-geometry-cache-animation-for-lip-sync-or-facial-animations/1836225)

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**Author:** [@Knuthnads](https://forums.unrealengine.com/u/Knuthnads)\
**Replies:** 4\
**Last updated:** [May 7, 2024, 3:02am UTC](https://forums.unrealengine.com/t/is-it-possible-to-use-geometry-cache-animation-for-lip-sync-or-facial-animations/1836225 "2024-05-07T03:02:53Z")

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I’ve imported a skeletal mesh over from 3ds Max in FBX format, and used Audio2Face to generate lip-sync animation which I’ve imported into Unreal as an Alembic Geometry Cache. Dialogue and subtitles are triggered via Beh…

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## [Alembic cache offset issue?](https://forums.unrealengine.com/t/alembic-cache-offset-issue/418191)

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**Author:** [@GPM](https://forums.unrealengine.com/u/GPM)\
**Replies:** 10\
**Last updated:** [April 4, 2024, 11:13am UTC](https://forums.unrealengine.com/t/alembic-cache-offset-issue/418191 "2024-04-04T11:13:25Z")

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Hey everyone, I have run into an issue while importing Alembic caches for our character’s clothing. These files are to be used in sequencer and should line up with character animations they were simulated on top of. How…

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## [Importing Alembic (.abc) file instantly crashes the editor](https://forums.unrealengine.com/t/importing-alembic-abc-file-instantly-crashes-the-editor/483109)

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**Author:** [@Shounenn](https://forums.unrealengine.com/u/Shounenn)\
**Replies:** 4\
**Last updated:** [April 1, 2024, 5:59pm UTC](https://forums.unrealengine.com/t/importing-alembic-abc-file-instantly-crashes-the-editor/483109 "2024-04-01T17:59:04Z")

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Hello, so the question is pretty straight forward, I can’t for the love of god figure out why is this happening… -I will upload the file bellow, it’s bellow 2MB so if someone can import this for me and then send me the …

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## [Blender to Unreal Engine import animation troubleshooting - Alembic files looks jagged](https://forums.unrealengine.com/t/blender-to-unreal-engine-import-animation-troubleshooting-alembic-files-looks-jagged/485327)

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**Author:** [@wpellacani](https://forums.unrealengine.com/u/wpellacani)\
**Replies:** 1\
**Last updated:** [March 26, 2024, 1:24am UTC](https://forums.unrealengine.com/t/blender-to-unreal-engine-import-animation-troubleshooting-alembic-files-looks-jagged/485327 "2024-03-26T01:24:06Z")

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I was wondering if any Blender-to-Unreal users have come across this issue when exporting an animated mesh as an alembic into Unreal. Below are screenshots of the mesh in Blender vs. Unreal, importing this alembic into U…

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## [CBB: The Great Princess Rescue Adventure" (Episode 1)](https://forums.unrealengine.com/t/cbb-the-great-princess-rescue-adventure-episode-1/1695062)

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**Author:** [@ftarlier](https://forums.unrealengine.com/u/ftarlier)\
**Replies:** 0\
**Last updated:** [February 17, 2024, 3:11pm UTC](https://forums.unrealengine.com/t/cbb-the-great-princess-rescue-adventure-episode-1/1695062 "2024-02-17T15:11:36Z")

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“CBB Chronicles: :princess:The Great Princess Rescue Adventure” (Episode 1) | Tiny Heroes Big Laughs! :rocket::mouse: - YouTube This is the first short film we did last summer (2023) to try out Unreal Engin…

[Next page](https://forums.unrealengine.com/tag/alembic/7081.md?match_all_tags=true&page=1&tags%5B%5D=Alembic)
