Context:
Sockets are attach points that can be placed on a Static Mesh to attach an object to the static mesh.
Problem:
Importing an FBX that contains a socket from Blender to Unreal, the socket gets rotated by 90° and is scaled by 100.
The licensee noted that MotionBuilder FBX files seems okay and relatively correctly oriented.
Temporary workaround:
The current workarounds are to edit settings in Blender so the socket in Blender is rotated 90° and scaled by .01, or resetting relative rotation and orientation in Unreal.
1.) Download zip file uploaded in ticket that contains two FBX files
2.) Create a Blank template project
3.) Open Content Drawer and click import (or right click in Content Drawer > Import to Current Folder)
4.) Import both FBX files, default settings
5.) Open newly made static meshes in static mesh editor by left clicking twice on the asset in Content Drawer
6.) Observe static mesh named testSocket first. Once open go to Socket Manager and click on socket "Test"
Observe: Socket has a relative rotation set to -90 and relative scale 100
Expected: Socket should look like the socket in testSocketFix static mesh
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-320638 in the post.
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Component | UE - Editor - Content Pipeline - Import and Export |
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Affects Versions | 5.6 |
Created | Sep 9, 2025 |
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Updated | Sep 19, 2025 |