Better Fbx Importer & Exporter v4.1.1 for Blender

Blender is lack of native FBX support, when we import some older and newer FBX files, it often fails.

So I made a better FBX importer and exporter with official FBX SDK from scratch.

The add-on is compatible with all FBX versions, from ASCII to binary, from FBX 5.3 to FBX 2020.

I have tested the importer and exporter with about one hundred commercial FBX files which made by 3d digital artists in 3ds Max, Maya or Cinema 4D, the add-on can import and export these FBX files successfully.

The exported FBX and DAE files have been verified in Unity Engine 2019, Unreal Engine 4 and Godot Engine v3.2 with no issues.

Features
- Supports Blender v2.79 - v2.92.
- Supports Blender Renderer, Cycles Renderer, and Eevee Renderer.
- Supports N-Gons (Polygons consisting of more than 4 vertices).
- Supports importing FBX, DAE, OBJ, DXF and 3DS files.
- Supports exporting FBX, DAE, OBJ and DXF files.
- Supports exporting FBX smoothing groups.
- Supports automatic bone orientation.
- Supports armature deform animation.
- Supports exporting non-linear animation.
- Supports shape key animation.
- Supports multiple material sets.
- Supports multiple UV sets.
- Supports multiple vertex color sets.
- Supports meshes attach to bones.
- Supports mesh instances.
- Supports generic node transform animation.
- Supports dummy nodes.
- Supports camera.
- Supports lights.
- Supports custom properties.
- Supports importing vertex animation of Maya format(.mc/.mcx) and 3ds Max format(.pc2).
- Supports exporting vertex animation of Maya format(.mcx) and 3ds Max format(.pc2).
- Compatible with all FBX versions.
- Supports exporting from any generic rigging system.
- Supports exporting retarget-able human armature from Rigify Auto-Rigging System.
- Supports importing Blender friendly armature and 3d models.
- Supports exporting game engine friendly armature and 3d models.
- Supports Unity Engine 2019, Unreal Engine 4 and Godot Engine v3.2.
- Supports Windows, Linux and macOS.

Limitations
- Does not support IK bones.
- Does not support custom bone shapes.
- Interface