| Drag a handle | shape the airfoil |
|---|---|
| Arrows | nudge the selected point 0.001 c (Shift ×10) |
| Ctrl+Up / Down | thicker / thinner |
| Ctrl+Left / Right | drift the points |
| Ctrl+Z, Ctrl+Shift+Z | undo, redo |
| Right-drag, wheel | pan, zoom |
| F | reset zoom |
| 1, 2, 3, 4 | Shape, CPoints, Analyze, Share |
| C | curvature flow |
| Tab | clean canvas |
| Esc | close a box, or clear the selection |
| ? | this list |