Braille System

Just thinking to design something useful and my idea was a board with the Braille code for educational purposes. The Braille system is referred and useful to blind and low-vision people For more info about Braille here : https://en.wikipedia.org/wiki/Braille

The upload includes the solidworks file format, if someone wants to make some modifications
The dimensions are 190 mm x 80 mm and should fit in every heatbed