This Plugin is for the 3DsMax, it allows you to export to X-Plane obj format.

• The plugin is distributed under BSD (3-Clause) license for more information read the license file.
• The X-Plane official website
• The X-Plane OBJ8 specification
• Primary modern target: 3ds Max 2024 (x64). Legacy Max 9–2017 builds are historical.
• C++ standard: C++17 (CMake)

Reference documentation

Diátaxis Reference set for maintainers, artists, and AI context:

• doc/reference/README.md — hub
• Plugin overview — architecture and registered classes
• Plugin operations — user actions → code paths
• Build Max 2024 — CMake / SDK / XplnObj
• OBJ8 / XP12 gap matrix — official XP12 directives vs support
• X-Plane file formats — related non-OBJ formats (out of plugin scope)

Also: doc/plugin-reference.md (entry point).

Warning

Importing is still under development and does not work correctly!

Dependencies

• CMake 3.15+
• XplnObj (OBJ8 library; place under third_party/XplnObj, set XPLNOBJ_PATH, or use -DAUTO_FETCH_XPLNOBJ=ON)
• Autodesk 3ds Max 2024 SDK (ADSK_3DSMAX_SDK_2024)

Build (Max 2024)

set ADSK_3DSMAX_SDK_2024=C:\Program Files\Autodesk\3ds Max 2024 SDK\maxsdk

mkdir build-2024
cd build-2024
cmake -G "Visual Studio 17 2022" -A x64 .. -DCMAKE_INSTALL_PREFIX=../output
cmake --build . --config Release --target 3DsMax-2024
cmake --build . --config Debug --target 3DsMax-2024

If XplnObj is not found: add -DAUTO_FETCH_XPLNOBJ=ON, or point XPLNOBJ_PATH at an existing tree.

Artifacts (never under build/):

• bin/2024/Release/3DsMax2024-XplnObj-x64.dlu
• bin/2024/Debug/3DsMax2024-XplnObj-x64.dlu

Install: copy the .dlu into the Max 2024 Plugins folder — see doc/Install-Instructions.md.

More detail: doc/reference/build-max-2024.md.

Copyright

Copyright (c) 2017, StepToSky team. All rights reserved. Modernization: Coalition-of-Freeware-Developers. www.steptosky.com