The file 'Circular Lithophane 3D Printer Model' is (stl) file type, size is 374.3KB.
One of my FREE tools at https://lithophanemaker.com quickly turns a picture into a circular tag or lithophane with a frame around it. You can crop the picture with the tool. Check it out!
An instructional video is here https://www.youtube.com/watch?v=xC5qCtHikic
tag-Example.stl | 2.9MB |