flexible aluminum... ugh

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Original poster: "Mike Novak by way of Terry Fritz <twftesla-at-qwest-dot-net>" <acmnovak-at-msn-dot-com>

Hi All,
I was hoping some people might share their knowledge of making smooth,
homebrew toroids... I'm so sick of looking at those flexible duct toploads
:-þ
I was thinking of using bondo or something to coat a flexible aluminum
toroid to make it smooth, then coat with aluminum tape. However, when I
apply the tape, it always forms these unsightly wrinkles along the
curvature... how do I avoid these?
Thanks a ton...
-Mike