About this 3D model

https://www.youtube.com/watch?v=u9n8xUxB3TU&list=UUa-TEelRyQfK5HtyQibOG6g micro multicopter class PM250 ideal for fpv very light 70 g!! kk2 cc3d naza apm 2.5 multiwii www.pragamichele.it