APPLICATIONS OF POLAR TRACKING AND OBJECT SNAP TRACKING IN AUTOCAD 3D - This video teaches the procedure to create a Mechanical model by splitting it into components and it also teaches the application of FROM POINT option , EXTENSION SNAPS , OBJECT SNAP TRACKING and POLAR TRACKING in 3D . Useful links :
Introduction to AutoCAD 3D Part-1
Point Plotting Technics in AutoCAD

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