Captured by the MHV film crew at https://youtu.be/H-jq5raJWUs .
He is way cool but would like smoother 3 leg to 2 leg and 2 leg to 3 leg transitions. Another R2D2 demonstrates the 2-3-2 transitions https://youtu.be/1XA-nH4jX08 and here we learn how it can be done with two legs on a single axle https://youtu.be/bxHnXxgPOzg . Our visitor has independent legs.