An extreme close-up of the same 3D model, now 3D printed in red. It's been sanded so the surfaces are flatter, and it's been filled with a clear epoxy. A dense cloud of bubbles is visible through the circular hole as air has popped out of the 3D printed plastic as it's cured.
https://digipres-club.s3.bhs.io.cloud.ovh.net/media_attachments/files/116/803/169/470/367/217/original/a34105c788e4ea16.jpg