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I am interested in automating these processes as much as possible, because I am losing both eyesight and manual dexterity with age.

From my investigations so far, embroidery machine manufacturers provide proprietary software with their machines, and this limits the designs to that machine. Besides, each design is a new cost. One can buy a software to convert designs into another format, but conversions often lose something in the translation.

What I want is to be able to use my own design, from one of my graphics programs, and duplicate it in cloth and threads.

Any advice from those of you who write software, or are fiber artists?