👉 In mathematics, a freehand drawing or freehand line is an element of a mathematical object that can be drawn without any restrictions. A freehand line is defined as being straight and not curved, and it does not have any markings, such as curves or points. Freehand lines are often used in drawing or painting to create the illusion of a hand holding something, especially when there is no other way to depict this effect. They can be drawn using only a pencil or a pen, without any
