Unity 3d Model Formats. For information about exporting 3d files see exporting from other applications or read the documentation for your 3d modeling software. I use autocad and 3d studio max to create content for unity games.
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Instead of importing the whole model into unity you can import only the parts of the model you need. Unity can read fbx dae collada 3ds dxf obj and skp files. For example i created a building in autocad imported it into 3d studio max for texturing and exported it to unity.
I use autocad and 3d studio max to create content for unity games.
Refer to your 3d modeling software documentation for information about exporting 3d files. For information about exporting 3d files see exporting from other applications or read the documentation for your 3d modeling software. Unity can import and use both types of files and each come with their own advantages and disadvantages. Unity can import and use both types of files and each come with their own advantages and disadvantages.