How to copy a brep along a curve according to the curve curvature

I need to copy the brep along the curve just as the frames are. I don't know why is a square being copied instead of my brep.

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    JJK

    It would be helpfull if u could attach the file.

    I can not see a square.

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      Joseph Oster

      Without supplying your code, this question is pointless.