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Picture of Annular (Ring) Paper Plane
This paper plane is a bit unusual in that it is based on a NASA ring wing concept.

Step 1: Fold 1

Picture of Fold 1
Starting with scrap paper (typing, notebook, etc) fold the paper diagonally across the corners. You will also find that folding to a diagonal point or spacing it a bit wider adds variety to your final aircraft.
 
An interesting design. I tried a similar concept with my Vortex paper airplane. 
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I saw your design. simple and elegant...you can shape them octagonal, rectangle, square, etc. 'tweaking' definitely helps!