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Time goes round and round in a bottle

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Step 3: Shape the CDs

Shape 2 unwanted CDs into a diameter of about 110mm – 115mm. See how big your bottle is, just make it fit in the outer bottle but larger in diameter than the middle cylinder and  inner tube.
 
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reinzig2 years ago
"Shape" the CD's? How does one go about doing that? With a saw? With a grinder? ????
duckcrazy (author)  reinzig2 years ago
Sorry I missed this point. You can use a hot-wire cutter to do the job.
pic: http://imgs.poksi.com.mo/big/15120.jpg
I got some very crappy CDs that can easily snap into two layers when bend. then I shape then by scissors!
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