Nothing really fancy, I created a set of 3D printed braille grade one block letters. These letter blocks are designed to embossed on paper, you can use a rubber roller to imprint these letters on paper. Each block fits in a single orientation so it the letters will always be in the correct orientati...By: danleow
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from Instructables: exploring - technology - robots http://ift.tt/1u4DQh8
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