What's the noun for braillewriter? Here's the word you're looking for.
braille
A system of writing invented by Louis Braille, in which letters and some combinations of letters are represented by raised dots arranged in three rows of two dots each and are read by the blind and partially sighted using the fingertips.
“I have a talking computer and a Perkins brailler, but I carry in my purse the slate I was given in school thirty years ago.”
“Braille was created using a Perkins Brailler on 3-by-5 index cards with the top right corner removed.”
“Brailler is the federal government's point person charged with spurring adoption of health information systems.”
brailling
(colloquial) A form of cheating in the board game Scrabble, where a player drawing tiles from the bag attempts to feel their raised surfaces so as to choose specific letters.
“A dedicated braillist for Helen Keller Services for the Blind for more than 25 years.”
“As a braillist – someone who uses braille – the dream for me is when the opposite happens.”
“The authors chose to use the term transcriber to refer to individuals who selected either braillist or transcriber as their job role in the original survey.”