Texturing artifacts when importing a model in Unreal 4

Development Rendering
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1

Hi,

I have this issue when I import a house in Unreal 4 created with Reality Creation:

120131-wall-unreal4.png
120131-wall-unreal4.png1114×517 693 KB

In Meshlab the same mesh looks fine:

120132-wall-meshlab.jpg
120132-wall-meshlab.jpg1920×867 315 KB

This house is as big as a chair. My suspicion is that the very small scale causes these artifacts in Unreal 4.
It looks like some precision loss.

I tried to scale the house in Blender but it did not solved the artifacts visible in Unreal 4.
I also tried to scale it when exporting from Reality Capture. Still not solved.

Any tip is appreciated.

Thank you !