Below are possible answers for the crossword clue Letter-writing aid.
7 letter answer(s) to letter-writing aid
STENCIL
a sheet of material (metal, plastic, cardboard, waxed paper, silk, etc.) that has been perforated with a pattern (printing or a design); ink or paint can pass through the perforations to create the printed pattern on the surface below
mark or print with a stencil
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