Anatomical model credits and license BodyParts3D, copyright The Database Center for Life Science (DBCLS). Original model: Kousaku Okubo and BodyParts3D contributors. License: Creative Commons Attribution-ShareAlike 2.1 Japan. https://creativecommons.org/licenses/by-sa/2.1/jp/ https://lifesciencedb.jp/bp3d/ Z-Anatomy, Gauthier Kervyn and contributors. License: Creative Commons Attribution-ShareAlike 4.0 International. https://creativecommons.org/licenses/by-sa/4.0/ https://github.com/Z-Anatomy/Models-of-human-anatomy Source mesh assembly and GLB conversion: Johan Bellander, BodyExplorer. https://github.com/JohanBellander/BodyExplorer Source files: public/anatomy.glb and public/skeleton.glb. Retrieved September 25, 2026. Adaptation for Adriano Tattoo Art: simplified geometry, coordinate normalization, compact binary packaging, procedural muscle surface appearance, and tattoo placement regions. The adapted mesh data remains under its respective source licenses above. This anatomical illustration is not a clinical model or a validated numerical measure of tattoo pain. Adapted model data (same directory): body.json and body.bin.