Nice diagrams. Do you know the book "Kids' Shenanigans" by Klutz? [1] I grew up with it, and it has three paper airplane designs, corresponding to your "Basic

Nice diagrams. Do you know the book "Kids' Shenanigans" by Klutz? [1] I grew up with it, and it has three paper airplane designs, corresponding to your "Basic Dart", your "The Square Plane", and one called the "Nakamura Lock"[2] (also mentioned elsewhere in this thread), which you don't seem to have but bears some resemblance to your "Tail Spin". [1] https://www.amazon.com/Kids-Shenanigans-Approve-Whoopie-Cushion/dp/1878257412 https://www.amazon.com/Kids-Shenanigans-Approve-Whoopie-Cush... [2] https://www.instructables.com/id/Paper-Airplane-The-Nakamura-Lock/ https://www.instructables.com/id/Paper-Airplane-The-Nakamura...