: Every fold must be perfectly mirrored. Misalignment will cause the plane to bank or roll , losing altitude.
If you are instead looking to create a (Coptic binding), you would need to group your paper into signatures/folios and sew them together using a curved needle . cand_toti_fratii_se_aduna_at_suzanasidacianavla...
: Fold the wings so that the body of the plane (the part you hold) is relatively small, allowing for a large surface area to catch the air. Tips for a "Proper" Paper (Flight Stability) : Every fold must be perfectly mirrored