The copper tubes should work if sharpened and if you use a drill instead of just turning by hand.
I did exactly what Brad did including the machinist friend.
Also made a larger one by grinding off the saw teeth and sharpening.
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The copper tubes should work if sharpened and if you use a drill instead of just turning by hand.
I did exactly what Brad did including the machinist friend.
Also made a larger one by grinding off the saw teeth and sharpening.
![]()