Useful links
http://www.t4.ie
An excellent resource for Technology at both Junior and Leaving Certificate.
http://www3.ul.ie/~rynnet/orthographic_projection_fyp/webpages/home.html
An brilliant interactive site explaining the fundamentals of Orthographic Projection - suitable for all those beginning Technical Graphics/Drawing.
http://www3.ul.ie/~rynnet/keanea/HomePage.html
This site deals with Isometric and related projections, Axonometric etc.
http://www.youtube.com/watch?v=2lUL-3TvzxU&feature=player_detailpage
Shading simple forms with cross hatching
