Let the butterfly be alive!

2013-01-17 12.20.32 from Soyeon Kim on Vimeo.

1. Draw a single wing (Wing 1)
2. Make the 2nd wing
   Copy, paste and scale "x" by (-100) to make the opposite side (Wing 2)
   
3. Click the cube for both layers to activate the X/Y/Z rotation (if needed)
   
4. Move the wing1 by giving 3 keyframes for the y-axis rotation : fold-unfold-fold
5. Repeat the movement
   Open up the expression menu of the y-axis rotation (for wing1)
   and right click on the play button -> properties -> LoopOut
   
6. Let the wing2 follow the wing1 movement
   - Open up the expression menu of the y-axis rotation for wing2
   - Click the @ button, drag and drop on the wing1 rotation property
   
7. Integrate the above layers into a single pre-composition
   Follow the menu : Layer - Make a Pre-composition - Fill a name in to complete
   
8. Make keyframes for position in order to set a route on the new compositionOf course you can adjust other properties like 'scale' and 'rotation'.