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Recycled HDD Rotary Sander for $5

Step 3Cutting and Fitting the Sand Paper

Cutting and Fitting the Sand Paper
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 The sand paper needs to be cut down to the size of the platter so that it can easily fit into its place and can be removed if necessary.

The technique used to cut the template from the sand paper is simple. Firstly, use you compass to find the disance from the centre to the edge of the platter.
 
Then, use the compass to draw the circle on the sand paper.

Do the same for the inner circle, and find the distance between the center of the steel disk and its outer edge. If you are confused, see the pictures for help.

Then, with a pair of scissors, cut out you template and check if it fits on the platter. Trim the edges as necessary and don't keep too much slack on the center edge.

After trimming, gently ease the sand paper onto the spindle(see video)


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Author:mhkabir(kabirs123projects)
M.H.Kabir is a green geek who likes recycling and loves instructables and DIY among other things such as microcontrollers, embedded systems and photography. He has done many DIY Green tech projects!He...
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