Hi,
my project is 250GB this might be difficult. I copied the two elements together they are originally on two different UV islands like you can see here.
Further testing showed that Blender can work with this normal map. I guess some programms do not interpret this normal map properly. We could localize our main problem after working with this normalmap in substance.
These are the export settings:
<Configuration>
<entry key="ModelExportFormatVersion" value="0"/>
<entry key="MvsMeshExportCamerasAsModelPart" value="false"/>
<entry key="MvsMeshExportTexturingAllowed" value="-1"/>
<entry key="MvsExportScaleZ" value="1.0"/>
<entry key="MvsMeshExportTexturing_Normal_0" value="-1"/>
<entry key="MvsExportIsModelCoordinates" value="0"/>
<entry key="MvsExportIsGeoreferenced" value="0x1"/>
<entry key="MvsExportScaleY" value="1.0"/>
<entry key="MvsMeshExportTexturing_Displ_0" value="false"/>
<entry key="MvsMeshExportNormals" value="true"/>
<entry key="MvsExportScaleX" value="1.0"/>
<entry key="MvsMeshExportOneFileUsePow2TexSize" value="true"/>
<entry key="MvsMeshExportTexAlpha" value="false"/>
<entry key="MvsMeshExportTexImgFormat_Color8_0" value="jpeg"/>
<entry key="MvsExportcoordinatesystemtype" value="0"/>
<entry key="MvsMeshExportTexPixFormat_Color8_0" value="24bppBGR"/>
<entry key="MvsMeshExportNormalsAllowed" value="-1"/>
<entry key="MvsMeshExportNumberFormatAllowed" value="-1"/>
<entry key="MvsExportMoveZ" value="0.0"/>
<entry key="MvsExportMoveX" value="0.0"/>
<entry key="MvsExportNormalRange" value="ZeroToOne"/>
<entry key="MvsMeshExportTexOneFileMaxResolution" value="8192"/>
<entry key="MvsExportMoveY" value="0.0"/>
<entry key="MvsMeshExportTexPixFormat_Normal_0" value="32bppBGRA"/>
<entry key="MvsMeshExportInfoFile" value="true"/>
<entry key="MvsMeshExportByParts" value="0"/>
<entry key="MvsMeshExportClassificationAllowed" value="0"/>
<entry key="MvsMeshExportNumberFormat" value="5"/>
<entry key="MvsMeshExportTexturing_Color8_0" value="-1"/>
<entry key="MvsExportRotationY" value="-90.0"/>
<entry key="MvsExportNormalFlipZ" value="false"/>
<entry key="MvsExportRotationX" value="-90.0"/>
<entry key="MvsExportNormalFlipY" value="false"/>
<entry key="MvsExportNormalSpace" value="Mikktspace"/>
<entry key="MvsMeshExportTexImgFormat_Normal_0" value="png"/>
<entry key="MvsMeshExportColors" value="true"/>
<entry key="MvsMeshExportCamerasAllowed" value="0"/>
<entry key="MvsExportNormalFlipX" value="false"/>
<entry key="MvsExportRotationZ" value="0.0"/>
<entry key="MvsExportTransformationPreset" value="Blender"/>
<entry key="MvsMeshExportFileTypeSelectionDisplay" value="0"/>
<entry key="MvsMeshExportTexOneFile" value="true"/>
<entry key="MvsMeshExportTexturing" value="-1"/>
<entry key="MvsMeshExportEmbeddTxrsAllowed" value="0"/>
</Configuration>