Carol Nunan has initiated a “How to” on Collographs for this month. Here’s my contribution. I love this method because it is non-toxic and I get to recycle my milk cartons ! Judy Barrass shared this method with me:
Step 1. I save my tetrapak soy milk cartons and cut them up to create printing plates. The size of the carton will of course limit the size of your print. I have been lucky enough to have Judy send me some tetrapak “off the roll” so now I can use it for creating larger prints.
Step 2. I Draw my image into the silver side of the tetrapak with a drypoint tool. Unlike drypoint on a metal plate there is no burr created so the printed line is quite sharp and crisp.
Step 3. Next I glue the tetrapak to some cheap grey board with PVA glue. I Shellac the edges and back so that stray ink can be wiped off easily (no need to shellac the image) & I trim the edges with a stanley knife.
Step 4. Ink up the plate as you would any intaglio plate. I use old phone book pages and tarlatan for wiping back the plate and I use cotton buds to wipe in the highlights.
Step 5. Print onto damp etching paper using a press.
Here’s a print made using this technique. It is called “Yoga Mama”.