ArmA 2 modeling. 3D model file extension is P3D.
BIS has released sample model(s), it a soldier model + skeleton. Check out details here.
If you want to make sample models from any of the bis models, or any other user created models, follow our create ArmA 2 P3D sample models tutorial.
See also HOWTO Open ArmA 2 P3D Files.
You can read still valid information about geometry from OFP: Modeling: Geometry LOD page.
What is the maximum dimensions size of a model you can create before your geometry doesn't work anymore? Check Max model size.
How to swap into new Head proxy for your character models.
Check out info about how to create wreck model to vehicles.
If you get “old style material flags used” error, check old material used error page on how to fix it.
How to create wheel damage to your vehicle, read damaged wheels page.
Tutorial: modeling a tree by Mikebart
2nd UV set error explained.
Keyframe error and how to fix it.
How to make User Animations.
How to animate character hands for individual weapons, Weapon Animation Tutorial.
Vehicle Shock Absorbers.
Weighting tutorial by STALKERGB.
Check Backpack for how to make custom backpack by STALKERGB.
Aircraft cockpits and how they are aligned to the rest of the model.
Aircraft Proxy weapons explained.
How are ArmA 2 road models setup Road MLOD setup.
ArmA 2 Missile Model setup Missile model setup.