The needle used in drypoint etching pushes up a ridge, called a burr, to either side of the furrow, giving a blurred, velvety effect to the line. This fragile curl of metal is soon worn away by the printing process.
The needle used in drypoint etching pushes up a ridge, called a burr, to either side of the furrow, giving a blurred, velvety effect to the line. This fragile curl of metal is soon worn away by the printing process.