+123D was a suite of [3D modeling](/wiki/3D_modeling) software tools developed by [Autodesk](/wiki/Autodesk). Aimed at hobbyists and designers, it simplified the creation of digital designs for purposes like [3D printing](/wiki/3D_printing).
+## See also
+- [CAD](/wiki/CAD)
+- [Digital design](/wiki/Digital_design)
+- [Rapid prototyping](/wiki/Rapid_prototyping)
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