Narcissus Geometric Tiling Pattern

I set out to create a geometric tiling pattern based on the Narcissus flower and the following is the result.  This is just a small view of what could be a much larger area.

gouache on hotpress watercolor paper

How-to Draw the 'Ovato Tando"

I recently learned that there is a subtle difference between an 'oval' and an 'ellipse.'  For the purposes of drawing, an oval is easily drawn with a compass while drawing an ellipse is a little more difficult.

The following are step-by-step instructions to draw the 'Ovato Tando', which I was told was the basis for the design of the Colosseum in Rome.

This method was taught to me by Mark A. Reynolds, instructor of 'Sacred Geometry' at the Academy of Art University