Center of gravity plate for HobbyKing Bixler 1.1 EPO 1400mm RC plane.
I could have done this pretty easily from wood, but since I have 3D printer --> why not to make this center of gravity plate with it.
Correct center of gravity point seems to be 71mm from head of the wings.
For those who like KK2 and OpenAero2 please support my work and download my KK2 Guide app (android only): https://play.google.com/store/apps/details?id=com.nitramite.kk2guidepro
(Bixler in the picture is not ready)