Platinum Arts Sandbox - Free 3D Game Maker Forum

does any 1 know how to make a model move ??

First off, assuming you have the model, find an animation software you would like to use.
Character FX
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Blender Download

These sites have two programs that allow animation of mapmodels. There are tutorials for these if you need anything.

Hope this helps!
Arc

Also md2, md3 and md5 formats are used for animation.

where can find the tutorial??how to put the model into sandbox after design??

Here's the link for importing models: Importing Models

Here are some tutorials for Blender: Armature Animation
How to Animate Your Models in Blender

Hope that helps!
Arc