Here are a couple of ways on how you can export several 3D models at once into your game easier. As well as what you should care about when doing so. Solution 1 exports a single FBX and uses prefabs to make the models game-ready. Solution 2 uses a batch script to create single FBXs for all the selected models. Blender API documentation link: Editor script to assign multiple materials from unity forums: CHAPTERS: 0:00 Intro 0:36 Solution 1 2:20 Solution 2 4:20 Assign multiple materials fix 4:45 Extra: Multiple objects models 5:36 Extra: Export collections
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