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A restored gesso panel representing St. Martin of Tours, from St. Michael and All Angels Church, Lyndhurst, Hampshire. Gesso (Italian pronunciation:; 'chalk', from the Latin: gypsum, from Greek: γύψος), also known as "glue gesso" or "Italian gesso", [1] is a white paint mixture used to coat rigid surfaces such as wooden painting panels or masonite as a permanent absorbent primer substrate ...
Adding soap and honey to make gesso more liquid was brought into Italy from Byzantine; a thin elastic ground that allowed the painting to be rolled was developed in Venice. [1] Coloring the grounds is also a very long tradition. In 2nd century Galen describes a use of glaze to reduce the brightness of the gesso.
High Humidity reduces mechanical damage such as brittle paint but raises the risks of biological organisms, e.g. white efflorescence and green-to-black stains on a panel painting. [12] High Humidity also raises the risks of curving or warping of the wood over time, forcing the paint to flake off.
This painting was made by combining poured acrylic paint with impasto painting. Pour painting is an innovative way to use acrylic paints to create an art piece. Instead of using tools like brushes or knives to create a piece of art, fluid paints can be poured directly onto the surface and the canvas tilted to move the paint around.
The most common form of classical tempera painting is "egg tempera". For this form most often only the contents of the egg yolk is used. The white of the egg and the membrane of the yolk are discarded (the membrane of the yolk is dangled over a receptacle and punctured to drain off the liquid inside). The egg yolk is diluted with water and used ...
The areas in which a wash effects can be controlled with careful application of the wash, and with the use of liquid frisket or rubber cement. With oil-based media such as oil paint, a similar technique as outlined above may be used, though instead of water the paint pool should be well diluted in solvent, such as turpentine or mineral spirits ...