On 24/06/2011 07:03, RussellMc wrote:
> Do not stare into beam ...
>
with remaining eye,


A knife or dremel style wheel is simplest. I will try my coffee=20
tins/cans (I don't drink coke).
The steel coffee tins are much more robust than an Aluminium drink can=20
and are easily sliced.

8.5mm dia  x 13.5mm tall.The knife (stanley blade/box cutter) cuts the=20
two sides, and across bottom easily, but not the upper and lower rim. A=20
dremel would make quick work of that. My cuts had no jig so not=20
perfectly straight.
--=20
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