Robot model: Pollen Robotics / Microduck RL.
Source: https://github.com/pollen-robotics/microduck_rl/tree/53b8971b61baf5b7f3c16d135dd7cac37623de4b
The source README identifies the 3D models as Creative Commons BY-SA-NC, without specifying a version.
Microduck footage depicts those models; keep this attribution and the upstream noncommercial/share-alike terms with this footage.
The Robot Reel recorder code is Apache-2.0; it does not relicense the downloaded robot assets.

The Motion Lab's simplified body envelopes and kinematic description are derived from the same pinned model. They retain the upstream noncommercial/share-alike terms too; the Apache-2.0 code license does not relicense this geometry.