Custom parts are specially designed components tailored to meet specific requirements for various applications. These parts can be created for industries such as automotive, aerospace, and manufacturing, allowing for improved performance and functionality. They are often made using advanced techniques like 3D printing or CNC machining, which enable precise specifications and unique designs. The process of creating custom parts typically involves collaboration between engineers and clients to ensure the final product meets desired standards. This can include adjustments in size, shape, and material, making custom parts essential for projects that require unique solutions not available in standard options.