0-00
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3003 H-14 .063 Aluminum cut to about 11 inches in diameter.

0-01
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Click on any photo to enlarge it. Tucking tool inserted.

0-03
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A twist to the right.

0-04
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Then a twist to the left.

0-05
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The procedures in photos 0-01 through #0-21 were done as practice by a first-time tucker.

0-06
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This is about what a tuck should look like -- but they can be larger or smaller, depending on your needs.

0-10
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These are just a few free-hand tucks.

0-11
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This time the bowl was divided and marked off to show about where each tuck should be.

0-12
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Inside view.

0-13
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The tucks can be hammered down from the inside while using a hard surface for backing.

0-14
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A cone, wedge or square shaped mallet can be used for this purpose.

0-15
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Tucks are usually worked from the point to the opening by alternating the hits from side-to-side then squarely on the point -- and then repeating all the way to the edge.

0-16
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Some folks like to close up the opening first to trap the metal and others like to hammer up and down the sides first and then begin at the point and work to the edge.

0-18
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Everyone will develop somewhat different procedures, but as long as the end result is a flattened tuck that shrunk the metal -- that's all that matters.

0-19
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Tucks can also be flattened on the outside of the part over a rounded stake or dolly.

0-20
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This round dolly or anvil is an industrial part that was used somehow as a giant trailer hitch ball of sorts. Scrap metal yards are the best place to look for items like this.

0-22
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This is a similar bowl -- same material same size, but it was marked off and shrunk more deeply into the center and worked with a little more precision.

0-23
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After a few minutes of wheeling

0-29
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Click here for a tucking shrinking a corner