Hey folks,
iam sure you already heard about the bug with the “send to unreal” plugin. I had this issue before: Sending the mesh with the plugin scales down the mesh by 0,01 units in unreal. This bug disappeared for a few months without me changing anything. But now it is back. Was there any kind of update or a new issue why this annoying bug is back again? Sure i could scale EVERY model by 100 but then you cannot work with it in blender because the model is simply too big… any solutions for this?
Hey, which version of Blender and the addon are you using? And in the scene panel: Which UnitSystem are you using (I am using Metric Scale 1.0)?
In the pipeline menu of the latest addon version you can select the advanced dialogue and set the scale on export.
Iam using Blender 3.0.1 and UE4 4.26.1 . Iam using the metric scale 1,0. Blender tells me my object is 20x20 meters. The same exported object in Unreal is only 20x20 (centimeters). Changing the scale in the advanced dialogue on export to 100 changes nothing on the output for some reason…
Are you using the latest SendToUE version? 1.8.5
I just updated sendToUE version to 1.8.5. Unfortunately the bug still persists … 
Could you try to disable the addon in Blender, close the program, go to %appdata% / AppData\Roaming\Blender Foundation\Blender\3\scripts\addons and then delete the send2ue folder. After that start Blender again and reinstall the addon?
Ok now it just gets REALLY weird:
I reinstalled the addon like you suggested.
- I testet it and it worked with the default cube
- then i loaded my object wich was send with the bugged scale. It was still bugged like before.
- then i tried it again with the default cube. Now the default cube was bugged as well!
- i reinstalled the addon AGAIN and remade the old object i origionally wanted to send and it works
However now iam pretty scared of this witchcraft 
do i now have to reinstall the addon every time i accidentally load an old bugged object? Is there any way to fix this issue permanently? I already made sure there are no old versions of the addons installed etc.
Can you share the old object?
TownPlattform20220309_2.blend (818.5 KB)
Same problem in 3ds Max from time to time. Since you mention that it comes and goes it might be similar in nature.
When an object is imported into UE4 it gets it’s scale vale based on it’s local transforms and not it’s world space so the object will reset to that value.
This is because in Max when you use the scale tool the object only scales as to size relative to world space and not local. To fix it in Max you need to “xform reset” the object so that it’s local scale is equal to it’s relative world space.
If this is the case in Blend and as to how to fix it I don’t know but it’s a looks like a duck thing to me.
For your mesh to work I had to disable / re-enable the Blender plugin/addon. Maybe the link of the addon to the collections was broken?
what link and addon do you mean? The sendToUnreal Plugin or something in UE4?
The addon in Blender.
Not using this plugin, but I simply set the Blender scene units to 0.01 metric. Don’t need anything else to export my stuff in UE units… 