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Home > Supported File Formats > 3ds Max to FBX


How to convert 3ds Max (.max) to FBX (FilmBox v5/v6/v7,.fbx)?


PolyTrans|CAD+DCC performs mathematically precise CAD, DCC/Animation, GIS and BIM 3D file conversions into all key downstream 3D packages and file formats. Okino software is used and trusted throughout the world by many tens of thousands of 3D professionals in mission & production critical environments, backed by respectable personal support directly from our core development team.

     

3ds Max

3ds Max has been the flagship DCC/Animation system of Autodesk since its introduction in 1996. It replaced 3D Studio R1-R4 which was a DOS based variation. Both were developed by the Yost Group and licensed to Autodesk.

As is very little understood, no program on this planet can read or write 3ds Max ".max" files because the full geometry modifier stack of the 3ds Max software, and its various plugin modules, are needed in order to properly evaluate the file before it can be rendered. This is what forced Okino to write its PolyTrans-for-3dsMax system, which allows for all Okino 3D converters to run within 3ds Max itself. For example, if you want to convert to/from CINEMA 4D (.c4d files) then you would do so entirely inside of 3ds Max.

Okino has a very long history with 3ds Max as it got on board in 1986 when Tom Hudson (of the Yost Group) first released "CAD-3D" on the Atari|ST computer. That program morphed into 3D Studio on DOS (.3ds file format) and then into 3ds Max (.max file format).

Note: Please do not confuse the 3D Studio's .3ds format with the 3ds Max .max format. You will find throughout the 3D industry that some companies refer to .3ds as the "3ds Max file format" but this is not true. The native file format of 3ds Max is the .max format, whereas .3ds is just a legacy import/export file format ported over to 3ds Max by Tom Hudson during the transition from 3D Studio R4 back in the early 1990s. DO NOT use the .3ds file format to convert to/from 3ds Max but rather use Okino's dedicated PolyTrans-for-3dsMax plug-in system for 3ds Max.

     

FBX

FBX is a 3D 'digital asset interchange' file format that had been pushed on the 3D industry by Autodesk after they acquired it from the bankruptcy assets of its prior owners, Alias Research and Kaydara of Canada. FBX has its placed in the DCC/Animation world but it does have its limitations, given that it is a closed and proprietary file format of Autodesk.

Note: if you are one of the many people who use FBX to convert data out of Navisworks, Revit, AutoCAD or Inventor then please use DWF-3D file format and Okino's DWF-3D import converter instead. It is a night and day difference but little known except to our core Okino users. Likewise, use our native program support for 3ds Max, Maya and Cinema-4D rather than use FBX.

FBX supports all the common attributes of a DCC/Animation file format such as mesh geometry with vertex normals and vertex colors, non-solids NURBS ('old school NURBS'), lights, cameras, hierarchy, bones and mesh skinning (deformations), materials and textures. In basic terms, it is similar to the capabilities of the COLLADA and VRML2/X3D file formats, and to Okino's long standard BDF data translation file format.

Okino has a very long history associated with FBX as it created the very first and fully implemented set of FBX import and export converters in 2002, with full animation, skinning and trimmed NURBS support. This was long before anyone had much heard of FBX. And to this very day we are still the only company that actively ships and supports FBX v5 (Kaydara), v6 (Alias) and v7 (Autodesk). However, FBX was just one of many 'not invented here' file formats which came to glut the 3D market in the 2005-2007 era, many of which petered away over time.

A key reason for its early adoption, throughout the 3D industry, was the availability of a free and officially supported (but closed) FBX SDK from Autodesk.

The downsides of the FBX file format is that (1) it has stagnated in recent years, (2) it is based on a legacy material model and not on modern PBR, (3) it is based on legacy lighting models and not on physically based lighting, and (4) it is a closed file format which only Autodesk can update or change. Otherwise, these restrictions have made it easier for software developers to implement FBX just once and then not have to worry about costly yearly revisions.