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How to build a thermoelectric lamp

Step 2Tighten them all up and glue the central nut in place.

Tighten them all up and glue the central nut in place.
Once you've tightened all of the feet up, you need to glue the central nut in place.
You can see I've added a cardboard shim inside of the can. This because the coke can is slightly too small for the tin can. This prevents it from tipping slightly when the candle height is adjusted. The cardboard only needs to be about 25mm high.

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Author:scraptopower(Scrap to power)
Always a brew in hand, I like to make stuff.