Dont forget you can export the mesh with the correct new point positions and copy past the points to a diffrent file! (This is probably the easiest way)
Ty for the help both of you, though I figured most of these things out in the mean time. The thread with the matrix directions will be a big help since it seems that I will have to add the points manually. I have tried to export the models from 3ds using the soase script, but the models seems to be too big for it (I have tried with a smaller model which workded). The only bad thing about having to add them manually, is that two of the models will have 60 + points
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EDIT: I hopefully figured out a sollution, I simply added the points as I wanted them (btw called dummy points in 3ds) and then replaced the model with a smaller one. That way I should get a .mesh file with the points (though the directions have to be altered a little) and then I can copy it over in the original mesh file. The converting takes some time so I will first find out when that is finished.
EDIT: Yeah, it worked. Now it is just correcting those matrixes.