This introduction to the tiling properties of Precious Triangle covers the definition of Precious Triangles based upon the ratio pi + 7 . It continues with examples of the unique way in which they can produce an infinite number of tiling patterns. It explains the iterative nature of the process as applied to Ad Hoc designs and tiling around a point. A discussion on the proportions of each tile is included which leads to some interesting conjectures. As a conclusion, some artistic examples of their usage is included