Autonomous elastic microswimmer Katsutomo Era, Yuki Koyano, Yuto Hosaka, Kento Yasuda, Hiroyuki Kitahata and Shigeyuki Komura EPL, 133 3 (2021) 34001 Published online: 30 March 2021 DOI: 10.1209/0295-5075/133/34001