This is a great 3D solid model Collada DAE file viewer for iPad. DAE is one of the most popular 3D format. It is supported by many 3D applications. With help of this app, you can view your model anywhere you want, 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 rendering color, changing rendering light intensity, etc. You can choose to display 3D model in shading mode, or wireframe mode. The app also provides quick way to view 3D model from different direction, including top, bottom, front, back, left and right. The app supports loading multiple models at the same time so that you can view them together. It is so easy to control it, you will love the way your model looks.The app provides you features to change rendering background, for instance, use different color or image as 3D rendering background. This way, you can easily use model environment picture or your company's logo as rendering background. You can also choose to use transparent background as well. This would help you generate 3D object image with transparent background that you can easily add to graphics design with apps like photoshop.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 email attachment. Just tap or press and hold for a couple of seconds on the 3d data file attachment in your 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 files you don't need any more. 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 also provides unzip function. You can use it to unzip compressed files in .zip format. The app tells you information about your files, for instance, the size and creation time of the files, etc. If you want to take a peek at the raw data of 3D files, the app provides you features to view data files in ASCII or binary format.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 screenshot of your file (3D or office document), draw your comment on the screenshot and email it to your friends. The app supports many drawing elements, including free form, line, text, rectangle, circle, ellipse, etc. You can use different color, line width for the drawing. It supports undo/redo. The app is part of ATView3D 3D data visualization tool family developed by Afanche Technologies, Inc. If you need iPhone or iPad app for other 3D file formats, for instance, stl, 3ds, obj, vrml, ply, etc, please search Afanche to find more 3D oriented apps. Afanche is a company specialized in 3D technologies. For more info, please visit our website http://www.afanche.com.