[3d] Tamaki (ring) Вђ“ Nekopoi -

A "papercraft" or physical 3D ring model made of high-quality "deep" paper stock.

In the field of 3D imaging and computer vision, "Ring Artifacts" are common errors that researchers use to fix. [3D] Tamaki (Ring) – NekoPoi

I am answering for the first interpretation, as "deep paper" most commonly refers to in technical contexts. Technical Context: 3D Ring Artifacts & Deep Learning A "papercraft" or physical 3D ring model made

Inpainting of Ring Artifacts on Microtomographic Images by 3D CNN [3D] Tamaki (Ring) – NekoPoi