Welding Journal

If you are a fabricator or have been involved in fabrication, there is one thing you might often wonder: Who came up with this print? Orthographic projection is how a 3D project can be drawn out on a 2D plane or on a print — Fig. 1. Many years ago, prints were hand-drawn by draftspeople, which was very time-consuming but a definite art. Draftspeople were trained in the value of orthographic projection and the hierarchy of lines. Orthographic projection and its guidelines are extremely valuable for visualization. Mo..