CAD website

CAD sketches:  

http://astronomy.swin.edu.au/~pbourke/fractals/sketch/ 

Cel Shading: 

http://www.eas.asu.edu/%7Ecse470/materials/Cel_Shading_Presentation.ppt  

Depth/Normal maps:

mrl.nyu.edu/~hertzman/hertzmann-intro3d.pdf       

Hatching:

http://www.mrl.nyu.edu/publications/illustrating-smooth/hertzmann-zorin.pdf

NPR: curve lines:

http://www.cs.umn.edu/Research/graphics/girshick.npar.pdf

Faces: http://www.iro.umontreal.ca/~ostrom/publications/pdf/SIGGRAPH99_FacialEngraving_1200dpi.pdf 

Sihouettes: http://www.cs.unc.edu/~hoff/projects/summer98_disney_lighting_effects/docs/outlining/             

http://www.mrl.nyu.edu/~hertzman/hertzmann-intro3d.pdf

Mosaics:

http://www.dgp.utoronto.ca/~ah/publications/sg01/  

Technical illustrations:

http://www.cs.utah.edu/~gooch/SIG98/gooch98.pdf http://www.cs.utah.edu/~bgooch/ITI/iti.pdf

Triangle strips: tunnels        http://www.cs.queensu.ca/home/jstewart/strips/algorithm/

Triangle strips                       http://www.dlc.fi/~dkpa/strip/newstrip.pdf

Triangle strips: Hamiltonian http://w3.impa.br/~lvelho/h4k/papers/hts.pdf