How to Draw a Butterfly - Design Your Own Pattern | Drawing and Painting Tutorials |

"Butterfly wings can be very different, small or big, wide or narrow, colorful or transparent, round or ragged. However, there are features common to all kinds of butterflies.

When it comes to the structure of the wings, it’s the same for all butterflies. Butterfly wings are basically triangular, with three margins that round their shape – costal, outer and inner one. The forewings have also an apex that makes them longer."