Fat over Lean Oil Paintings
The rule “fat over lean” means that every following layer of oil paint has to be just a little bit fatter than the preceding one. In the first layer, you just paint with oil paints right out of the tube, and you make them thinner with turpentine. In the second layer, you add just a little bit of painting medium to the paint. In the third layer, you add a little bit more of medium to the paint etc. Oil painting medium can be prepared with stand oil and dammar varnish, mixed in equal amounts.
So with the intention of acquiring realism in his paintings, Van Eyck conjured oil paint. He did this by using oil as a binder, instead of egg in the paint. He thought that adding oil would make colors look glossier in his painting. After trial and error, he found out that oil paintings gave their best when applied in several layers.He found out that with oil paints he could reach the realism and nature he was seeking in his art. So with this introduction of oil paints, many artists started using oil in their paint mixtures to make oil paining a popular form of art.
The pigments were ground on a porphyry marble table until until pasty paint, a little creamy.
The oil painting is characterized by drying (oxidation is more correct) relatively slow which does little to affect the color if it is a thin gray film caused by oxidation of the binder, clearly visible on dark colors, but that is easily absorbed by a layer of varnish, paint then finding all their splendor …
Later in the Wanlinianjian (European Renaissance painting at this time is an important period in the history of the development), due to religious reasons, the Italian missionary Matteo Ricci to a painting of God, Our Lady of the paintings to China.According to records, the 1610 Tour Wen-hui’s “portrait of Matteo Ricci” has realistic approach, clearly the relationship between brightness, which can be deduced,