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Step 3Make the case
1. Solder the wire into place (mostly in the corner) in the bottom of the case.
2. Take the foil or cardboard (if you use cardboard only use enough to fill the center, about an inch by two should do) an cut it to fit. Goop it into place. The foil allows the cover to close, so I decided to use it.
3. Take the 9 volt battery and take just the casing ( http://www.instructables.com/id/EOGAE2LXOUEP287E6N/ ), cut the casing and flatten it. Now trim it down, so that'll fit into the center of the lid. Goop it so it'll stay there.
2. Take the foil or cardboard (if you use cardboard only use enough to fill the center, about an inch by two should do) an cut it to fit. Goop it into place. The foil allows the cover to close, so I decided to use it.
3. Take the 9 volt battery and take just the casing ( http://www.instructables.com/id/EOGAE2LXOUEP287E6N/ ), cut the casing and flatten it. Now trim it down, so that'll fit into the center of the lid. Goop it so it'll stay there.
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Feb 18, 2008. 2:10 PMyellow elephant
says:
instead of using 9-v casing, Y not just put magnets on lid?
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Feb 18, 2008. 8:33 PMFrenchCrawler (author)
says:
You could use the lid itself, I just wanted to make an open, level surface.
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Feb 19, 2008. 4:28 PMyellow elephant
says:
ok. thats what i did, put on lid. i used small neodymium magnets. 12 on lid and used 2 to hold string for pendulum. will post pic as soon as i get pendulum done.
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