I thought you might be interested in looking at Visitor3/World Tools Object Export to Terrainbuilder.
https://forums.bohemia.net/forums/topic/174392-visitor3world-tools-object-export-to-terrainbuilder/?do=findComment&comment=2805593
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.