Thinking of something similar, except using expanding foam, then =20
dissolving the foam with acetone (which should do the trick, but I =20
haven't actually tested it).

It takes a special laser to cut metal, so that may be costly.  The =20
dremel cut-off should work well.

Or perhaps tape off all but the thin cut-lines and etch...?

Cheers,
-Neil.



Quoting Brent Brown <brent.brown@clear.net.nz>:

> On 18 Jun 2011 at 16:13, RussellMc wrote:
>
>> Looking for a way to most easily, cheaply, quickly, ... cut
>> alumin[i]um  softdrink cans (Coke, Pepsi, ...) into two pieces with a
>> "vertical" cut. ie left with two U shaped pieces when viewed from top.
>> No specs on amount of deformation or roughness of edge etc. Target -
>> two half barrels which are not obviously rough edged or deformed.
>
> Samurai sword?
>
> Or, fill can with water, freeze, cut with hacksaw/bandsaw?
>
>
>
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