Autodesk 123D Publisher's description
from Autodesk, Inc.
123D is free 3D CAD software to help you quickly give shape to your idea, explore it, and most importantly, make it.
123D is free 3D CAD software to help you quickly give shape to your idea, explore it, and most importantly, make it. Design precise and makeable objects using smart tools that let you start with simple shapes and then edit and then tweak them into more complex designs.
System Requirements:Windows 7 (32-bit or 64-bit), Windows VistaВ® (32-bit or 64-bit), WindowsВ® XP Professional or Home Edition (SP3), or Windows XP Professional x64 Edition (SP2), Windows Server 2008
IntelВ® PentiumВ® 4 or AMD AthlonВ® 64 or later with 2 GHz or faster processor; or compatible
1+ GB RAM (512 MB minimum)
1.5+ GB free disk space (for installation)
Direct3DВ® 9 or 10 graphics support with 64+ MB
Program Release Status: New Release
Program Install Support: Install and Uninstall