The 4th Aircraft Skin Contest has begun. See the official contest post about the event to participate:
Update: 1/10/2019. The 4th Aircraft Skin Contest (ASC) is here! This time around the X-02S Strike Wyvern is being featured. The X-02S was selected by the winner of the 3rd ASC with the official diagram for the 4th ASC created by Cubeboy of Project: Lighthouse. This blog post contains all information for this contest.
The announcement and development blog for Project: Lighthouse.