2005 journal article
A Visibility Sphere Marching algorithm of constructing polyhedral models for haptic sculpting and product prototyping
Robotics and Computer-Integrated Manufacturing, 21(1), 19–36.
By: W. Zhu & Y. Lee
Material side tracing and curve refinement for pencil-cut machining of complex polyhedral models
Computer-Aided Design, 37(10), 1015–1026.
By: Y. Ren, W. Zhu & Y. Lee
2004 journal article
Dexel-based force-torque rendering and volume updating for 5-DOF haptic product prototyping and virtual sculpting
Computers in Industry, 55(2), 125–145.
Five-axis pencil-cut planning and virtual prototyping with 5-DOF haptic interface
Computer-Aided Design, 36(13), 1295–1307.