A great Google SketchUp plug-in that allows you to add driving dimensions to your models.
Version: 1.1Driving Dimensions is a plugin for Google SketchUp 6 and 7 (a free, easy-to-learn 3D-modeling program) running on both Windows 2000/XP/Vista and Mac OS X that allows the addition of driving dimensions to SketchUp models.
Operating System: Mac OS X
The Driving Dimensions plug-in is powered by the LGS (LEDAS Geometric Solver) variational geometric solver and combines the flexibility of constraint-based geometric modeling with ease of use.
The Driving Dimensions for Google SketchUp plug-in can be used free of charge.