Projection methods are techniques used in manufacturing to represent three-dimensional objects in two dimensions. Common examples include orthographic projection, isometric projection, and perspective projection. These methods help manufacturers visualize complex parts for design, analysis, and communication. They provide clear, standardized views, ensuring that all stakeholders have a consistent understanding of the product. For example, an orthographic projection would be ideal for a detailed blueprint of a mechanical part, allowing precise measurements and angles to be communicated effectively for manufacturing and quality control. Using these methods enhances efficiency and reduces errors in the production process.