I'm having a problem when my meshes exported (to FBX) whereby Blender will smooth the model down.
To replicate the same problem I used Smooth Vertex and as you can see from the before and after the verteces on the barrel have moved. When I import the mesh into UE4 the problem is a lot worse with segments of the mesh completely missing. Its probably down to a fault of my own but this is my first ever modelling project so I'm still learning.
UE4 also displayed this warning message when I imported the FBX mesh.
Warning: No smoothing group information was found in this FBX scene. Please make sure to enable the 'Export Smoothing Groups' option in the FBX Exporter plug-in before exporting the file. Even for tools that don't support smoothing groups, the FBX Exporter will generate appropriate smoothing data at export-time so that correct vertex normals can be inferred while importing.
Any ideas as to why this may be happening would be greatly appreciated.