# Dino Classroom — asset notices

## Realistic dinosaur

T. rex by Bake3D — https://bake3d.ai/free-3d-models

Source: https://bake3d.ai/samples/free/bake3d-trex-animated.glb

License: Creative Commons Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/
Full text: CC-BY-4.0.txt

Modified: mesh simplified to 47,510 triangles; textures resized to maximum 1024px;
unused data removed. Runtime scale, orientation, and joint movements adapted for the
camera application. Walk/Look around/Idle clips are cross-faded with bounded head,
forelimb and tail offsets; the model remains in place. Original embedded copyright notice retained.

Bake3D does not endorse this application. The asset is an AI-produced visual model,
not a scientifically certified reconstruction. Credit is also included in app Help
and photos captured with this model.

## Additional dinosaurs — CC0-1.0

Animated Dinosaur Pack by Quaternius (December 2018).
Creator's pack: https://quaternius.com/packs/animateddinosaurs.html
Author's distribution: https://poly.pizza/bundle/Animated-Dinosaur-Bundle-SmoLdBLO2K

- Triceratops: https://poly.pizza/m/IGvrUqGrRM
- Stegosaurus: https://poly.pizza/m/eFcNbOlpvl
- Apatosaurus: https://poly.pizza/m/fvo0x8Zk3z
- Parasaurolophus: https://poly.pizza/m/KeeQrrouRK

License: CC0 1.0 Universal (CC0-1.0), verified on both the creator's
pack page and the individual model pages on 2026-10-28.
https://creativecommons.org/publicdomain/zero/1.0/ — full text: CC0-1.0.txt

Original GLB bytes retained. Runtime: non-metallic matte materials, display scale
and orientation adapted; original Idle/Walk animations cross-faded in place.
All dinosaurs share the same designed roar effect. The four new rigs have no
separate animated jaw. These low-poly assets are not certified reconstructions.
Menu silhouette SVGs are original Dino Classroom contributions under CC0-1.0;
third-party preview images are not included. File sources and hashes are in asset-checksums.json.

## Roar

CC0 Deep Monster Roar by trazzz123
https://opengameart.org/content/cc0-deep-monster-roar

Source: https://opengameart.org/sites/default/files/monster_roar.wav

License: CC0 1.0 Universal
https://creativecommons.org/publicdomain/zero/1.0/
Full text: CC0-1.0.txt

Modified: mono conversion, 22,050Hz downsampling, peak normalization, fade in/out.
The original 7.22 second performance is retained. This is a designed creature
effect, not a recording of a dinosaur.

## Original assets

Original cute procedural dinosaur, SVG icons and practice background:
CC0-1.0, Dino Classroom contributors.

Application source: MIT. Three.js: MIT; see ../THIRD_PARTY_NOTICES.txt.
Downloaded model/audio licenses are independent of the application source license.

Acquired and checked: 2026-10-28. File hashes: asset-checksums.json.