Tactile Rubik's Cube Tiles

These tiles are designed to fit an off-the-shelf Rubik's cube. 3/4 inch acrylic adhesive transfer tape is my chosen way to attach, but any strong adhesive should do. I have included a blank square to make it easier for you to modify this, as well as a photograph of the finished product in its intended habitat. :)

I designed these stickers to make a rubik's cube that would be usable by a blind person. Why? Why not?

note: Since uploading the files, I have learned that my designs are too