i am not advanced at modeling, i have never done it. so i asked a couple people to model a wand for my harry potter game... i think the 3D file turns into a jpg file or something. so once i get that file, how do i get it into animator, then into my game?
Export your 3d file to a Wavefront (.obj) format. In the animator make a new model then go Mesh->Import Mesh->Obj.
What program are you using? wings? Blender? C4d? Meshwork? Maya? Lightwave? something else?
Has the model been uv-mapped?
I recommend learning to model, it's fun, and modeling a wand will take all of 5 seconds

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