-Crayon manner: a manner of etching in which the ground is perforated with various needles, roulettes, or mattoirs to produce the effect of crayon or chalk drawing on print. -Pastel manner: a method of color printing using multiple plates engraved in the crayon-manner. -Chalk: a prepared natural stone or earth substance.
The impact of digital technology has transformed human expressions as painting, drawing and sculpture, but also music and poetry; first by implementing new tools which can be very helpful for the artists and which can enhance the creative process towards innovative and unexplored paths