etching birds

Last year I posted the recipe for an aluminium and zinc etchant made from copper sulfate . I forgot to add something very important. Before...

One of the problems with etching aluminium in copper sulfate is the buildup of Red Stuff (technical name unknown) that occurs in the etched ...

Finishing my Design degree at COFA last year brought with it the reality that I was no longer entitled to use their superior printmaking fac...