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Body Models & Physics

NeuroMechFly / FlyGym

Neuroengineering Laboratory (NeLy), EPFL

EPFL's digital twin of the adult fruit fly: a micro-CT-derived biomechanical body simulated in MuJoCo with compound-eye vision, olfaction, leg adhesion, mechanosensory feedback and a hierarchical brain/VNC control architecture. NeuroMechFly v2 was published in Nature Methods in November 2024 (Wang-Chen, Ramdya et al.), and the FlyGym 2.0 rewrite released in April 2026 brought roughly 10x faster CPU simulation and about 300x faster GPU simulation via Warp/MJWarp. It is the body used by the Eon and Rojas embodied whole-brain projects.

Official site ↗Repository ↗

NeuroMechFly / FlyGymNeLy-EPFL/flygym README banner (Apache-2.0)

#biomechanics#mujoco#digital-twin#sensorimotor#gpu#epfl

Sources checked

Every fact above was read from these pages on the date the entry was added.

  • neuromechfly.org https://neuromechfly.org/
  • github.com https://github.com/NeLy-EPFL/flygym
  • api.github.com https://api.github.com/repos/NeLy-EPFL/flygym
  • api.github.com https://api.github.com/repos/NeLy-EPFL/flygym/releases?per_page=5
  • ebi.ac.uk https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=DOI:10.1038/s41592-024-02497-y&format=json&resultType=lite