This is a great 3D CNC data file viewer for iPad. It supports the most popular CAM / CNC data file formats including gcode ( g-code ) and apt. With help of this app, you can view your cnc tool path on the go, no matter you are at home or traveling abroad.The app provides many 3D features including rotating model with finger movement, zooming in/out, panning, changing color, etc. You can also change rendering light intensity and background color. The app supports loading multiple models at the same time so that you can view them together. It is extremely helpful when you want to compare your CNC tool path to make sure everything works correctly, or to compare rough machining tool path with finish machining tool math. You can also use the app to figure out basic dimensions of your model, for instance, the length along x, y or z direction, total surface area, total length, etc. This would help you roughly figure out how long the machining time would be. You can add files to the app's document folder through iTunes and use the file open button of the app to load them. You can also use the app to open 3D files you received as your email attachment. Just tap on the attachment (must use .cnc or .nc extension name for g-code file)in you email app, the 3D viewer would be launched automatically. Or you can use it to open 3D files from third party file management app, like DropBox, etc.The app is not just a 3D data file viewer. It is also a file organizer. The app provides you file sorting features so that you can find your model quickly. You can sort by file name or file creation time. If you have too many models in the app's folder, you can use delete button of the app to remove the files you don't need any more. The app supports folders so that you can create folders and put files for different project in different folder. The app provides zip and unzip function. You can use it to zip / unzip compressed files in .zip format. The app also tells you information about your files, for instance, the size and creation time of the files. If you need share 3D model with your friend, coworker, client or partner, you can use in-app email feature to send your model out as email attachment. The app provides native support for you to view documents in many different formats, including Microsoft Words (.doc, .docx), Excel (.xls, .xlsx), PowerPoint(.ppt, .pptx), Apple Numbers (.numbers), Pages(.pages), Keynote(.key), Adobe PDF (.pdf) and multimedia files including image (.png and .jpg) and video (.mov,.mp4,.3gp). This way, you can manage and view not only 3D files, but also other files of your project. The app provides unique in-app reviewing feature. You can easily take screen-shot of your file (3D or office document), draw your comment on the screen-shot and email it to your friends. The app supports many drawing elements, including free form, line, text, rectangle, circle, ellipse, etc. It supports undo/redo. The app is part of ATView3D 3D data visualization tool family developed by Afanche Technologies. If you need iPhone or iPad app for other 3D file formats, for instance,3ds, obj, vrml, ply, etc, please search Afanche to find more 3D oriented apps. Afanche is a company specialized in 3D technologies. Afanche provides customized 3D programming solutions for mobile, web and desktop. For more info, please visit our website http://www.afanche.com.