Showing posts with label oil painting. Show all posts
Showing posts with label oil painting. Show all posts

Thursday, April 15, 2010

What is a Giclee?

In the French dictionary a giclee (zhee-CLAY) will be defined as meaning “to spray or squirt.” However others might say "giclee" doesn't mean "to spray,” that "Giclee" isn't an infinitive and that it is the feminine of a past participle. So if there is some argument over what the term Giclee means I believe that the intention of the term is to define a printed copy of an original artwork. Giclee is basically scanning the artwork and then using that scan to print it out on a special printer. This printer is not the same as a standard desktop inkjet printer, and is much larger. Giclee prints are a little over a meter wide and are often referred to as a “knitting machine” as they look very similar.


Giclees are produced from digital scans of existing artwork. Also, since many artists now produce only digital art, there is no "original" that can be hung on a wall. Giclees solve that problem, while creating a whole new vibrant digital medium for art.


When printing there are any number of media for example canvas to watercolor paper to transparent acetates. Giclees are better then the traditional lithography in many ways. The colors are brighter, last longer and are so high-resolution that they are virtually continuous tone, rather than tiny dots. The range of color for giclees is far beyond that of lithography, and by viewing in comparison with each other you will find that the details are far crisper in giclee.


Lithography prints use tiny dots of four colors--cyan, magenta, yellow and black; to fool the eye into seeing various hues and shades. Colors are "created" by printing different size dots of these four colors.


Again Giclees use inkjet technology, but more sophisticated than your desktop printer. The process employs six colors--light cyan, cyan, light magenta, magenta, yellow and black--of lightfast, pigmented inks and finer, more numerous, and replaceable print heads resulting in a wider color gamut, and the ability to use various media to print on. The ink is sprayed onto the page, actually mixing the color on the page to create true shades and hues.


Giclees were originally developed as a proofing system for lithograph printing presses, but it became apparent that the presses were having a hard time delivering the quality and color of the giclee proofs. They evolved into the more popular form over lithography’s and are now the cheaper and more common way to make a copy print. They are coveted by collectors for their fidelity and quality, and desired by galleries because they don't have to be produced in huge quantities with their large layout of capital and storage.


In addition, Giclees are produced directly from a digital file that is created by scanning the original. This will save generations of detail-robbing negatives and printing plates, as with traditional printing.


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Tuesday, April 6, 2010

Varnishing An Oil Painting

Varnish is more than simply a layer to protect your oil painting from ultraviolet light, pollution in the atmosphere and abrasion. It will also bring out the brilliance in colors, making them sparkle. Varnish is made from Damar resin dissolved in a mixture of turpentine and other organic solvents. Keep in mind that oil paint dries from the outside in; when it dries, it forms a surface skin first. During the drying process small pores form in this surface skin. The surface of the paint may feel dry, but under the skin, the paint is still wet, no matter how thin the coating is. It takes at least 6 months drying time for the dried oil paint film to become dry enough that it won't be re-dissolved by mild solvents such as turpentine. When a varnish is applied to a reproduction art oil-on-canvas painting before the 6 month drying time, the varnish fills the pores of the oil paint film, The solvent content of the varnish can easily re-dissolve the incompletely dried oil paint at the bottom of the canvas and cause all kinds of problems - such as wrinkling of the oil paint film, cracking, and yellowing of the color.

• Clean the painting so it's free from dust and dirt. Lay the oil painting flat, then dampen the surface a bit of cotton wool with clean water.

• Dry the oil painting with another bit of cotton wool. With your fingers, gently remove any cotton fibers that have been caught in the oil paint.

• Leave your painting to dry for several hours.

• Choose from high gloss, satin or matte finishes. Varnishes may be brushed or sprayed on. Use a flat bristle brush to apply the varnish. If you don't want your oil-on-canvas painting to be too shiny, use a matt varnish rather than a gloss one.

• With the painting flat, work from the top to the bottom, applying the varnish in parallel strokes from one edge of the oil painting to the other. Always work in the same direction. Try to have the same amount of varnish on the brush for each stroke so you put equal amounts of varnish on all parts of the oil painting. Always varnish the whole of the oil-on-canvas painting in one go.

• When the first coat of varnish is dry, apply a second coat at right angles to the first. This will give you a good, even finish.

• Leave the painting flat for at least 10 minutes after you've finished varnishing to stop the varnish running down the oil painting. Then prop it up against a wall to dry, face inwards.

• To test whether the varnish is dry or not, touch the edge of the oil painting to see if it's still tacky. It should dry within a day or two, depending on the weather.

Monday, March 8, 2010

The Painter’s Brush

The brush of a painter is an important tool through which the artist wields his power and expresses his emotions. The canvass, the oil, and all the other painting media are important too, but these leave the artist when the work is done.

Only the paint brushes stay, faithful and willing to participate in the making of the next masterpiece.

Painters need two kinds of brushes. One is stiff and the other is soft. A painter usually has a range of sizes for both types of brushes.

The stiff brushes are used for the majority of painting tasks and it comes in three shapes: the round, the flat and the filbert. For all ye art beginners, filbert is a shape that is rounded at the base and tapers to a point at the tip. Stiff brushes are made of hog bristles but there are also synthetic bristles available that can make acceptable results. Naturally, many painters prefer the genuine article.

The soft brushes are used for putting in fine details. Painters agree that the best soft brushes are the ones made of sable. Since sable brushes are expensive, there are substitutes available. But the brush strokes made using these replacements are not as good as the ones made by the sable-made soft brush.

There is also a kind of brush made of either sable or hog hair. It is called a fan-head brush and it is needed to seamlessly blend paint on the canvas.

We have heard of painters not taking a bath during a painting marathon, and there are painters known for having chaotic studios. But many painters like to be organized and the most cared for of their tools are the brushes. Besides, many painters believe, though no scientific data supports this, that used but well cared-for brushes perform better than new ones.

The first rule in caring for paint brushes is to never use them to mix paint. There are painting knives to do this task. Another important thing to remember is to never stand the brushes, especially the soft ones, with the point down in the jar. Those expensive hair or bristles are sensitive and may be bent permanently.

When a painter mentors you to place just the right amount of paint on the brush, he wasn’t thinking about saving the paint. He was trying to save the brush. Too much paint on it will clog the ferrules, the part that holds the hair or bristles together. If clogged, you have to clean it and cannot avoid parting the hairs. If done too often, the brush ultimately become useless.

Lastly, brushes should be cleaned as soon as you are done using them. You may use turpentine with soap and water. For soft brushes, these can be dipped in milk and allowed to dry for a couple of days. Remember to keep the tips up.