An integrated mesh scene layer can be created from OpenSceneGraph Binary (OSGB) files using the Create Integrated Mesh Scene Layer Package tool. It can also be created using Drone2Map. For more information on Drone2Map, see Drone2Map.
Other vendors who publish integrated mesh scene layers (.slpk) to the I3S format include the following:
An integrated mesh scene layer package file can be displayed in ArcGIS Pro or ArcGIS Earth, and then uploaded to ArcGIS Enterprise or ArcGIS Online using the Share Package geoprocessing tool to publish it as a web layer. The input data type for integrated mesh scene layers is multipatch.