Draw the line of reflection. From a point on the shape, count how far it is vertically from the line of reflection. Count the same amount horizontally on the other side of the line and plot the point.

Figure 1: Experimental geometry and microscopy of screen and test pattern. To determine an effective working limit for the distance separating the sample and the exit screen we performed numerical ...

We don't usually associate maths with beautiful objects of art, but if you look closely, you'll find that most designs use mathematical ideas and concepts. Symmetry, for example, is commonly used in ...