摘要: … We present a system for 3D modeling of free-form surfaces … A 3D model is created by placing primitives and annotations … a single view of the model. This eliminates the frequent view …
Robert C. Zeleznik, Kenneth P. Herndon, John F. Hughes, SKETCHACM SIGGRAPH 2006 Courses on - SIGGRAPH '06. pp. 163- 170 ,(2006) , 10.1145/1185657.1185770