Category: Tactile Graphics

Slate For Blind/visually Impaired

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---- DO IT YOURSELF ENTRY --------- PURPOSE: To assist a child with visual impairments recognize shapes using a DIY slate. As the child writes on the slate, wool comes out of the pen and sticks to the Velcro on the slate. This project has two parts: the slate and the pen. The slate is constructed of Velcro strips attached to a rectangular piece of plywood. The writing is done on the Velcro material, which comes as a strip allowing the fibers of wool to stick to the nylon hooks. The pen is made from a film roll bottle and the outer plastic casing of an ordinary ballpoint pen. A hole is made in the base of the bottle. The pen is fixed in this hole with a piece of shoe rubber and some Fevibond (rubber adhesive). A small wire (cycle spoke piece) is bent into a “Z” shape to make the crank. A small pulley, made from a piece of shoe rubber is attached to the crank. Two holes are made near the mouth of the bottle to fix the crank. One hole is slit for easy fixing and removal of the crank from the bottle. 1.5 meters of thin wool is taken and one of the ends is tied to and wrapped around the pulley. The other end of wool is weaved through the bottle and the pen body. After tying a thick knot at the writing end of the wool the crank with the wool is placed in the bottle. The pen can now be used to start drawing a test picture of a cat on the slate. The wool comes out of the pen and sticks to the Velcro. To erase the picture simply rotate the handle. The wool will be wrapped around the pulley and the picture will disappear. TITLE: Slate for the Blind. WEBSITE: Toys from Trash at REF: Dilip and Pradnya Bhatt (designers).


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