The SafeCity 3D scanner has the latest technology which makes scanning faster than ever before. You do not have to do any calibration just straight to scanning after connecting it via USB cable to your device and connecting the power cord.You can take both one scan or 360 scan. Both are the most accurate you will ever find on the market. With this device, your application is never ending. Printing also directly starts after scanning the object if needed. No need for any setup or replacements. The scanner also has automatic background removal.