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A Brief Introduction to Segmented Turning

Daru Stevens
Oakhurst, California

Typical Segmented Rings

Typical Segmented Rings

Typical Stave Ring

499 pieces of wood in these four vessels

Segments and staves and floating bottoms

Traditional turning on a wood lathe consists of a solid block of a single species of wood. Variations on the single species are ubiquitous, that is, combining two or more species in a lamination. Multiple species can be combined precisely to produce a pattern, such as the Ebony/Maple vases in my Archive, or they can be combined randomly, such as the Hollow Form or the 106 Piece Bowl in the Archive.

Segmented turning requires the production of tapered segments or staves precisely machined: the  degree of taper, the length, the width, and the thickness of the stock. The segments or staves are glued into rings; segmented rings are laminated into stacks; stave rings have segmented rings laminated to them, usually both top and bottom.

The four items featured above are not for sale. The two large bowls have bases of 12 staves with vertical grain. Both feature rare-wood display rings: an Orange Agate ring on the left and Spalted Bay on the right, which took 18 years after harvesting to become colorful.

Each diamond is nine pieces of wood: rare, endangered Ebony with Maple. The oval vessel is 24 Mahogany staves from the Philippines;  the top and bottom rings are 24 Mahogany segments from Central America. Very different; same color tone as the Lacewood display ring, which is from South America.

Now, click on the Gallery link to see the photos...