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  1. M

    How to bend 4 mm miniature aluminium pipe correctly into a circle?

    Brian, if I new you were going to respond with another one of your great ideas if would have quietly sat back and read yours. Is that the same stuff used for casting gun chambers ?
  2. M

    How to bend 4 mm miniature aluminium pipe correctly into a circle?

    fill it tightly with sand and cap the ends. then try bending around a form. when done, pull the caps and blow or rinse the sand out.
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