1.618

Practising my sketching for a while. I use the figures as shown...... cheaper than the real thing and volunteers not easy to come by. Getting proportions correct is very difficult. Study the following and the miracles of of nature, become much more apparent and the rules of drawing figures.
1. 1.618
2.Fibonacci series
3.Phi
4.Golden rule(ratio)
5.Vitruvian man
6.Leonardo da vinci