The software provides process control of optical fiber drawing from preform . It can display and record up to three diameter measurements. The supported measurement devices are Anritsu KL 151A, Mitutoyo LSM-5100 and Mitutoyo LSM-6100. The preform feeder motor is controlled by operator from PC. Drawer motor can be controlled by operator or by PID controller . The sound alarms on preset error condition. All data is stored into XML format file. The file is readily opened in Excel for charting and further analysis.