I have this mount installed on mine. This mount places an action cam more forward in order to avoid seeing the landing gear. Give it a look?
Link: Blomiky Camera hold mount for MJX Bugs 3 B3 Drone B3 Camera Frame https://www.amazon.com/dp/B071R81G73/ref=cm_sw_r_cp_apa_a7ZqAb3RDHQRA