THE COMPLETE PRINTMAKER by JOHN ROSS & CLARE ROMANO & TIM ROSS

Author:JOHN ROSS & CLARE ROMANO & TIM ROSS
Language: eng
Format: epub
Publisher: THE FREE PRESS
Published: 1990-07-15T00:00:00+00:00

Impasto Printing

The screen print produces an essentially Oat surface, except when enamels are used, and therefore some artists may find it interesting to explore the use of impasto printing. Because the method involves paper and mat-board stencils and a heavy deposit of thickened ink, it is necessary to use a coarser fabric in order to print more ink.

Because of their thickness, enamel inks can be overprinted several times with ordinary stencil devices to achieve a thick deposit of ink. However, enamels take longer than poster inks to dry, making the method laborious.

Norio Azuma, a New York City artist, utilizes a very effective method to achieve a thick, granulated deposit of ink. He turns the screen over so that the underside is up and brushes water over the entire area or just on an edge of a form. He then sprinkles some granules of sugar on the dampened area, allows the sugar to settle in for about 5 minutes, and taps the screen underneath the area to shake off loose sugar particles. After placing the screen in printing position, Azuma squeegees color through two to four times, in different directions, sometimes lifting the screen to check the deposit of ink and squeegeeing again until he has the desired thickness. The granules of sugar adhere well to the screen and allow a thick deposit of ink in their area. Fifty to seventy-five prints can be printed with one sugar preparation.

A simpler system utilizes heavy paper or cardboard for the ordinarily thin stencil. You can thicken poster ink with cornstarch until it is the thickness of sour cream. Slowly and evenly squeegee the ink across the screen. The amount of pressure on the squeegee will determine the amount of ink deposited. Less pressure, more ink; more pressure, less ink. The thick stencil will allow a thick; texturcd deposit of ink to print on the paper. If the cornstarch begins to clog the screen ; clean the screen carefully and resume printing.

TEXTURED OBJECTS

Another method involves gluing down textured objects such as burlap, rope, canvas, or cardboard to the baseboard, with rubber cement or any other temporary glue, You place a thin printing paper, registered in position, over the glued objects; then, using transparent inks, proceed to print. A heavier deposit of ink will occur in the recessions than in the raised areas, giving an interesting effect, ‘!’he uneven bed can cause register problems, so proceed carefully.

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