pentograph is a mechanical device used to copy, scale, or trace images and drawings. It consists of a system of arms and a stylus that allows for the copying of a drawing or image at a different scale. There are several types of pentographs, but the most common are used in drawing, drafting, and art applications. Here's more information about this interesting tool:
Arm Mechanism: A typical pentograph consists of four or more interconnected arms, often arranged in a parallelogram or triangular configuration. One arm holds a stylus (for tracing), and another holds a pen, pencil, or other drawing tool.
Scaling Functionality: The pentograph can scale drawings in two ways:
Accuracy and Precision: When used properly, a pentograph allows for accurate reproduction of drawings, ensuring the proportions are maintained whether enlarging or reducing.
Applications: