Abstract: An approach is presented for Chinese calligraphy creation in 3D virtual environment.By the approach,a novel virtual hairy brush model is proposed based on triangular mesh.The stroke trajectories are defined with curve fitting.After figuring out the key frames on the stroke trajectories,various kinds of postures of a real hairy brush are demonstrated and the writing rhythm is simulated.Finally,the process of writing calligraphic characters is rendered in real time.By the presented system users can create the calligraphic artworks as they want and the whole writing process is performed in a 3D environment.The model is highly efficient in computation and can be applied in real time.The calligraphic artworks generated are competitive in its quality in comparison with the real ones.