The main part of a hot air balloon is the envelope, which is the large rounded top section. Begin with a simple oval shape or ...

Begin by sketching a long oval shape in the middle of the page. This will be the butterfly’s body. Add a small circle on top ...

Adobe Photoshop includes a selection for advanced illustration features, including a Pen tool that you can use to create a curved arc shape. Drawing a curve with the Photoshop Pen tool involves ...

I'd like to animate a curved line drawing. Start with a point, follow the point as it draws, and the line draws behind the point as it moves forward. You know, like a graph. I'm currently Googling for ...

In an effort to make its office software suite more appealing to business types, Google Drive desktop users can now use Drawings to make elbow and curved connections between items. These new options ...

A parabola is a curved line with particular characteristics. Any point on the curve is the same distance from a fixed point and a fixed straight line. The result looks like half of an ellipse or the ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...