MEVIUS2 by Kento Kawaharazuka, MIT licence. Source: https://github.com/haraduka/mevius2/tree/4f09680bb575574377b903bbc971bdb2695d507b Display conversion 4 October 2026: Collada visual meshes and URDF frames converted to glTF; original colours, geometry and joint limits retained. Root rotated from Z-up to Y-up. Demonstration movement is illustrative articulation, not a validated locomotion policy.