This math teacher from Ottawa, Alexander Overwijk, is known as the "World Freehand Circle Drawing Champion," though that's not a real competition. Watch him draw a perfect circle: You can also ...

then try drawing the perfect freehand circle on a touchscreen device and let this wonderful little website judge your efforts. The game, designed by Vlad Gotlib, is beautifully simple. You draw a ...

When you want to draw a round circle accurately, you need to use a tool such as a compass, and drawing it freehand in one shot is extremely difficult. ' Draw a Perfect Circle ' is a service that ...