December 2010
15 posts
30 tags
30 tags
30 tags
30 tags
30 tags
30 tags
How to ETCH a stone
Begin with a clean stone.
Place boarder gum on the edges of the stone approximately 1inch wide. Allow for gum to dry.
Take either- Lithography crayons of 1, 3, 5 softness and draw on the stone, use tousche and make a wash, or use a reductive process to draw on the stone. *(see other post)
Time to etch- Take three to four small cups and fill them up with straight gum and then take the Nitric...
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How to Levigate a stone!
Begin with a lime stone slab.
have stone on level sink with grates.
Wet stone with cold water
take #80 carborundum grit or 100# and put it ontop of the stone.
place levigator ontop of stone. begin to spin the levigator
follow a pattern with the levigator to ensure an even surface
Proceed to repeat this process 3x with each grit - 80, 100, 120, 220.
once done, take a squeegee and wipe off...
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How to SCREEN PRINT
After exposing a screen time to begin to print.
Take the screen and place it flat side down on the table clamps and secure with the wing nuts.
Tape off edges of screen on the side facing up and tape off additional images that wont be used in a certain pull.
Find an appropriate sized squeegee.
With inks chosen and mixed-lift the screen, pour plenty of ink on the bottom half of the screen.
...
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INKS and Shiny things
Screenprinting inks vary.
Speedball produces a water based acrylic ink in where its quite opaque but does not need modifiers out of the jar. But to create lighter or darker colors with transparancy- add a base modifier. They also produce a textile ink that is also water based.
jacquard produces a comperable ink as well, but they have an expanded specialty of metalic and pearlescent colors in...
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Making Films
To make films for screen printing-
use paint pens- use BLACK Sharpie Paint Pens those are the most opaque. The Sakura Deco markers are just as good, but they are a bit more expensive.
So why Black?
Light wont go through the black parts on the film. It wont allow the emulsion to harden and block off what isn’t going to be printed. Keep in mind to keep lines dark especially with fine...
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HOW TO EXPOSE A SCREEN!
Take a screen
Take a scoop coater and fill with emulsion.
Put scoop coater at bottom of screen, press down and pull up.
Make sure the emulsion is not too thick. If any excess- remove with paper squeegee.
Leave to dry in dark closet with a fan.
Take the films and place them on the exposure unit facing up. Dont flip the image other wise it will turn out reversed.
Take the screen and put it...
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