Answer: frisket

AnswerCrossword Clue
frisketmask of thin paper laid over an illustration to shield certain areas when using an airbrush
frisketa masking device or material used especially in printing or graphic arts
frisketa frame used to protect paper in a printing press
frisketmask of strong paper set in a rectangular frame attached to the tympan of certain presses and cut up so as to prevent accidental soiling or printing by furniture or the chase