A field guide to paper airplanes

Fold a paper airplane.
Find out why it flew that way.

Step-by-step diagrams for 44 paper airplanes, drawn by the same fold engine that runs our free 3D app, and plain advice for the dives, stalls and turns that happen next.

1 in
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The finished Dart
01 Crease down the middle
Every diagram on this site is computed from the app's fold model, not traced by hand.

New here? Start with these three steps

  1. 1

    Fold the Dart

    Ten steps, and every fold has a twin on the other side. Mismatches are easy to spot.

    Dart guide →
  2. 2

    Watch the whole flight

    Dives, stalls and turns need different fixes, so notice what the plane did before it landed.

    Read a flight path →
  3. 3

    Change one thing

    Make one small bend, then throw three times the same way to see whether it helped.

    Run a fair test →

The workshop

Troubleshooting, paper, choosing a design, fair tests and the physics of a glide.

The 3D app

See every fold in 3D.

Pick any plane, rotate it, and replay a fold until the layers make sense. Then throw it in a flight simulator and try trims with the Flight Doctor. It runs in the browser, free.

Open the 3D app

Model and paper are different

The simulator has no wrinkles, no loose layers and the same release every time. Use it to spot a pattern, then test on real paper. We never present a simulated distance as a real one.