| Aquatint – Printing technique capable of producing
unlimited tonal gradations to re-create the broad flat tints of ink wash
or watercolor drawings by etching microscopic cracks and pits into the
image on a master plate, typically mad of copper or zinc. Spanish artist
Goya used this technique.
Dry point – Printing technique of intaglio engraving
in which a hard, steel needle incises lines on a metal plate, creating
a burr that yields a characteristically soft and velvety line in the
final point.
Engraving – Printing technique in which an intaglio
image is produced by cutting a metal plate or box directly with a sharp
engraving tool. The incised lines are inked and printed with heavy pressure.
Etching – Printing technology in which a metal
plate is first covered with an acid-resistant material, and then worked
with an etching needle to create an intaglio image. The exposed metal
is eaten away in an acid bath, creating depressed lines that are later
inked for printing.
Lithography – Printing technique using a planographic
process in which prints are pulled on a special press from a flat stone
or metal surface that has been chemically sensitized so that ink sticks
only to the design areas, and in repelled by the non-image areas.
Giclée – A computerized reproduction technique
in which the image and topology are generated from a digital file and
printed by a special ink jet printer, using ink, acrylic or oil paints.
Giclée printing offers one of the highest degrees of accuracy
and richness of color unavailable in other reproduction techniques.
Mezzotint – A reverse engraving process used
on a copper or steel plate to produce illustrations in relief with effects
of light and shadow. The surface master plate is roughened with a tool
called a rocker so that if inked, it will print solid black. The areas
to be white or gray in the print are rubbed down so as not to take ink.
It was widely used in the 18th and 19th centuries to reproduce portraits
and other paintings, but became obsolete with the introduction of photoengraving.
Monotype – One of a kind print made by painting
on a sheet of metal or glass and transferring the still-wet painting
onto a sheet of paper by hand or with an etching press. If enough paint
remains on the master plate, additional prints can be made, however,
the reprint will have substantial variations from the original image.
Monotype printing is not a multiple-replica process since each print
is unique.
Serigraphy (Silkscreen) - A printing technique that
makes use of a squeegee toforce ink directly on to a piece of paper or
canvas through a stencil creating an image on a screen of silk or other
fine fabric with an impermeable substance. Serigraphy differs from most
other printing in that its color areas are paint films rather than printing
ink stains.
Woodcut – Printing technique in which the printing
surface has been carved from a block of wood. The traditional wood block
is seasoned hardwood such as apple, beech or sycamore. Woodcut is one
of the oldest forms of printing dating back to the 12th century.
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