AR Finder is an application to use AR to view angles, capture information such as camera height, etc. for capturing images. For more information https://rklab.net/ar-finder-three-aims/ please look at. Notes ○ 3GB or more of memory is recommended because AR uses very much memory ○ Movie recording function is limited to iPhone 8 and later. ※Movie recording may not be possible due to circumstances such as many objects. Please use the screen recording function with iPhone 6s, iPhone 7, iPhone 7 Plus and iPhone SE. Frames may be dropped depending on the model's performance. Although there is a trade-off with the complexity of the object, it can be used normally with the iPhone 8 Plus, but I think that the number of polygons near the limit of usdz will drop frames. As a model, iPhone 8 or higher is strongly recommended. For the purpose of capturing and using 3DCG objects yourself, what comes with the app is as easy as three people or cubes.