# Anatomy model attribution

## `heart-z-anatomy.glb`

This web-optimized heart model was exported from the Z-Anatomy atlas and adapted by NaS Research for interactive education.

- BodyParts3D, The Database Center for Life Science, licensed under CC BY-SA 2.1 Japan.
- Z-Anatomy, The libre 3D atlas of anatomy, licensed under CC BY-SA 4.0.
- Source: https://github.com/Z-Anatomy/Models-of-human-anatomy
- License details: https://github.com/Z-Anatomy/Models-of-human-anatomy/blob/master/License.txt

The adapted GLB is distributed under CC BY-SA 4.0. No endorsement by the original creators is implied.

## Exterior heart viewer

The default exterior view embeds the official Sketchfab viewer for “Realistic Human Heart” by neshallads.

- Source: https://sketchfab.com/3d-models/realistic-human-heart-3f8072336ce94d18b3d0d055a1ece089
- License: CC BY 4.0
- The model remains hosted and delivered by Sketchfab. NaS Research does not redistribute the source asset.

## Workspace heart illustration

`realistic-heart-black.png` is a background-edited derivative of the existing `realistic-heart-preview-hd.jpeg`, depicting “Realistic Human Heart” by neshallads (CC BY 4.0; source above). NaS replaced the gray background with black using image editing. This is an illustrative preview; open the Visual Atlas for the interactive model.