Aluminium is much harder to work with and unless you have proper machinery, your going to have very slow progress.
I would imagine the 16 gauge steel would do the job, although it might be a tad heavy
@Aleksi started
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Aluminium is much harder to work with and unless you have proper machinery, your going to have very slow progress.
I would imagine the 16 gauge steel would do the job, although it might be a tad heavy