Maybe this is works as designed or a bug or I am doing wrong in general but I have noticed that when I change the scale (e.g. to 2x2x2) of a mesh in a mesh library and then export the library to be used in a 3D GridMap, it is not taking over the scale changes and placing the items with a scale of 1x1x1
Screenshot below showing the setting of structure-yellow-medium to 3x2x1
When placing that tile, it does not reflect that size change and shows with a scale of 1x1x1 (and yes, I have exported the meshLib and replaced the old one in between