Multi-Function Measuring Tool for the Visually-Impaired
thingiverse
The innovative compact trundle wheel, tailored for visually-impaired users, fits in your pocket. Rolling it activates a clicking mechanism every quarter inch, ensuring accuracy. Braille markings on each side indicate metric (1/8 in) and standard (1 cm) measurements. The pencil topper also serves as a stencil for braille letters. It can hold up to 7 pencils. Parametrically designed with JSCAD, this tool supports both standard and metric sized wheels with customizable subdivisions. Updated tolerances ensure optimal assembly. Check out the finalized design (R1) and demonstration video at http://youtu.be/79w6xPiDFrA. Easy to print and assemble - no bearings required!
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