Just had a look through the DOTS website and it's definitely a group I'll be glad to support! I love the idea of braille dice. I have a very close friend who uses high contrast dice, which are a lot easier than most dice but still require her to hold them right up to her face to read them.

She has a braille press, so we've spent many happy hours together with me reading out cards and her pressing braille into them. I'm sure she'd be interested in these dice (and I definitely am) so I'll be looking up any 3D printers near me!