Regard3D is a structure-from-motion program (see also this Wikipedia article). That means, it can create 3D models from objects using a series of photographs taken of this object from different viewpoints.
##Features:
Based on powerful third-party tools and libraries
Completely free and open sourced
##Requirements:
Regard3D is a 64-bit-only program. It only runs on 64 bit versions of Windows
Windows 7 or newer (does not run on Windows XP, Vista not tested)
OpenGL capable graphics card/chip
Larger projects (many high resolution pictures) require a fast computer with lots of RAM (4 GB minimum, recommended 8 GB or more)