This text book introduces the readers to NX 12.0, One of the world’s leading parametric solid modelling packages. In this text book, The author emphasises on solid modelling techniques that improve the productivity and efficiency of the users. Also, the chapters are structured in pedagogical sequence that makes this textbook very effective in learning the features and capabilities of the software. Br>chapter 1: Introduction to NX 12.0 br>Chapter 2: drawing sketches for solid models br>Chapter 3: adding geometric and Dimensional constraints to sketches br>Chapter 4: editing, extruding and revolving the sketches br>Chapter 5: Working with datum planes, Coordinate systems and datum axes br>Chapter 6: Advanced modelling tools- I br>Chapter 7: Advanced modelling tools -II br>Chapter 8: assembly modelling - I br>Chapter 9: assembly modelling - II br>Chapter 10: surface modelling br>Chapter 11: Advanced surface modelling br>Chapter 12: generating, editing and dimensioning the drawing views br>Chapter 13: synchronous modelling br>Chapter 14: sheet metal design br>Chapter 15: Introduction to injection mold design br>Chapter 16: concepts of geometric dimensioning and tolerance index.