(imported from here) //NOTE: It's NOT SUGGESTED to mod the original vehicles DAE. If you want to create parts or mods for a vehicle, use MULTIDAE instead!\\ >> Multidae tutorial - Introduction-to-MultiDae Why? If an update changes something in the original DAE, you mod will become outdated. What you will learn: How to correctly Import & Export an Official Vehicle without breaking the smoothing group Requirements: Knowledge of Blender Semi-Advanced knowledge of 3D Modelling 1. Why when I import certain official vehicles in Blender those looks weird like this? Some vehicles are modelled in '3D Studio Max'. 3D Studio Max offers some features which aren't avalaible in Blender. One of them is 'Smoothing Group'. It allows the artist to define the hard edges without actually splitting the edges. Blender doesn't enable this automatically. It can be enabled by following the instructions in this post: https://www.beamng.com/threads/how-...icial-vehicles-via-blender.14793/#post-546913 Or by using the 'Edge Split' modifier, which actually modifies the mesh. When you import an official vehicle made in 3D Studio Max in Blender, the smoothing groups won't be read, so it will appear all lumpy because it doesn't have hard edges. 2. Solution An easy solution to this is to add an edge split modifier by yourself. NOTE: Edge Split is an automated modifier. The result will never be the exact same as the original vehicle. To start, select an object. Go in the 'Modifiers' panel and add an 'Edge Split' modifier. Usually angles of 50° or 60° works nicely. The result is evident: To quickly apply the same modfier on all the objects: Keep the object with the modifier selected Press A twice: The first one will Deselect all. The second will Select all. The object with the modifier will have a different colour because it's the object we manually selected (Active Object) Press CTRL+L. A 'Make Links' window will appear. Press the 'Modifiers' button. Congratulations, you just added the same modifier too all the objects. 3. Exporting correctly Files > Export > Collada Make sure to have the 'Apply Modifier' option selected. Then you are ready to export your .dae.