CMM fixtures are used to hold and position parts, probes, or workpieces during dimensional gauging and other measurement operations. CMM fixture using a probing system to detect discreet points on the surfaces of objects. CMM fixture are most often used to test a part or assemble to determine whether or not it respects the original design intent. CMMs are integrated within quality assurance or quality control workflows to check the dimensions of manufactured components to prevent or resolve quality issues. The advantages of using CMM fixture over manual inspections or checks performed with conventional metrology instruments, such as micrometers and height gauges, are: accuracy, speed and the reduction of human error.