Welcome to the AR World !
Using "3D SuperimposeCamera", you can get the AR (augmented reality) easily enough without using the marker.
"3D SuperimposeCamera" is the application that superimpose 3D model on camera preview. Of course, you can change the size, position or direction of the 3D model data. And you can save the screenshot as JPEG format.

Available formats are PLY, STL-binary and RTD. Remember that the PLY is limited to a format which is exported by "Sense 3D Scanner" and "Microsoft Kinect scanner". In advance, please import the 3D model data to the application folder using iTunes.

About RTD format
RTD format is the original format which is composed vertices, color and normal vector. If you want to use RTD format, you need a data conversion software "TRansRTD". It can translate the Artec 3D model data (*.obj) or the Vectra-3D model data (*.obj) into RTD.
Download: http://www7b.biglobe.ne.jp/~mobileapps/files/transrtd.htm (You need a Windows PC to use this software.)

【Function】
- Camera: preview / shoot
- 3D: expansion / reduction,
translation,
rotation(by XY-axes, X-axis, Y-axis, Z-axis)
alpha blending
perspective
- save (JPEG format)