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Re: Arts and crafts
Posted By: screamingfoolDate: 8/28/07 3:28 p.m.

In Response To: Arts and crafts (ukimalefu)

ok class, for today's project you will need rubylith, a pre-stretched silkscreen, a rubber squeegee, acrylic paint, a blank tshirt, *laquer thinner and an *x-acto knife. For the asterisked items ask your parents or therapist for permission.

Notice how the rubylith has a shiny side and a dull side, the shiny side is a plastic sheet and the dull side is the lacquer. tape the image you want to print to the shiny side so you can see the image looking through the dull side (note that if you're using text you want it to read normally from the dull side).

After practicing cutting through the dull layer without cutting the plastic layer a bit with the knife (or simply using a somewhat dull knife) cut away the solid portions of your image. When you're done it will be clear where you want the image to be. Also, make sure you have a few inches of solid rubylith surrounding your image to make printing easy.

Now take a thin cotton rag (an old tshirt scrap will do) and wrap it around your squeegee (or a narrow strip of anything that has a solid edge) so that there are no wrinkles on the edge you will be using. Make sure you affix the rag with a safety pin or something so you can put it down a few times without it unraveling.

Find a well ventilated area and spread an old newspaper on a solid surface and place your rubylith dull side up on it. Now put your screen on top of that so that the mesh touches your stencil. Get a small cup of lacquer thinner and a crappy brush and place them on one side of the screen and your wrapped squeegee on the other.

Have a friend hold the screen still or do this on the floor and use your knees to keep it in place. Now with a moderately wet brush apply a bit of thinner to a small spot on an outside corner (start with about 2 square inches to get the hang of it) and apply even pressure with your squeegee a few times. What's happening here is the thinner is melting the lacquer and your gently pressing it into the mesh of the screen, for this reason you don't want to use to much lacquer or apply too much pressure. Keep affixing the stencil around the solid margin of the image till you have a feel for what you're doing. Once you're done let the screen air out and set for about 30 min.

Peel off the shiny plastic carefully from one corner to the other of the image. If any of the stencil comes out, you screwed up on wither the amount of thinner, pressure or set time. If that happens put the plastic back and repeat the previous step, or give up on that spot for now and paint it in by hand with acrylic paint.

Oh - works almost over, class dismissed. Next time well cover printing and explaining to your parents/therapists why there's paint all over their bathtub.

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Replies:

Arts and craftsukimalefu 8/28/07 6:41 a.m.
     Re: Arts and craftsscreamingfool 8/28/07 3:28 p.m.

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