How do I upload a file on someone else's model?

I saw some models that others uploaded the image or CAD file to someone else's models:

For example: Gary Hilson made a model aircraft: One file says at the top ''Uploaded by someone''
How do I upload a file to someone else's model?

    1 Answer

    That was an old feature here on GrabCAD, where users could render others' models and add them to their models.

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