Does this printer also leave a secret little signature with every print that can be traced back to you?

More details here: https://www.eufymake.com/eufymake-uv-printer-e1

Not clear how much the refills will run.

Print what? I skimmed the article and I’m confused. Can you print an 3D Eiffel tower on a piece of paper? Or is it more like you’re printing things with a small emboss/raised edge? I didn’t even realize that was something people wanted to do. Maybe for custom tiling?