That's a trick question. Cyberspace exists in reality, the servers which contain us here are not a figment of our imaginations any more than anything else is according to human perception. As do the bits of data which make up a model.
You must first prove that the image, any image, on a computer screen is more or less real than anything else, and do it convincingly.
Once you can prove that models aren't encompassed within reality, then you can be answered.