Manually Refresh-able Braille

Part of a Senior Capstone design project to make a low cost Braille display.

This is an early prototype of the control mechanism, but still useful to demonstrate the idea, or play with.

Files are 1:1 for standard Braille, but this is very difficult to print.
Jumbo Braille is 1.3:1 and prints ok.
2:1 prints very well, but is not a standard Braille size.

Original idea for control mechanism from:
http://www.kscitech.com/BBT/Slider_diagram1.jpg