The erasing of 'common' edges -red- [L'effacement des côtés 'communs' -rouges-].
This tiling contains 106+68=174 yellow lozenges, 106 are "fat" and 68 are "slim", hence the ratio 106/68 equals to 1.559 that is very close to the Golden Ratio (=1.618033988...).
![The erasing of 'common' edges -red- [L'effacement des côtés 'communs' -rouges- ]](image.jpg "The erasing of 'common' edges -red- [L'effacement des côtés 'communs' -rouges- ]")
-- erasing --> 