The main uses of prototyping and fabrication products span various applications, including rapid prototyping, product development, educational projects, and hobbyist pursuits. These products enable users to design and fabricate custom parts, components, and assemblies using techniques such as 3D printing, laser cutting, CNC machining, and electronics prototyping. Several manufacturers of prototyping and fabrication products include well-known brands such as Arduino, Raspberry Pi, SparkFun, Adafruit, and Ultimaker.