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A Twist on Segmented Turning
A Twist on Segmented Turning
Published: 2017/12/19
Channel: Gord Rock
Introduction to Segmented Woodturning Part 1 of 2
Introduction to Segmented Woodturning Part 1 of 2
Published: 2016/12/22
Channel: Gwinnett Woodworkers
Segmented Turning - Grain Orientation Options
Segmented Turning - Grain Orientation Options
Published: 2013/09/02
Channel: SegmentedTurner
Segmented Walnut Vase
Segmented Walnut Vase
Published: 2017/01/05
Channel: Stuart Nelson
Segmenting Sled For Perfect Segments Every Time!
Segmenting Sled For Perfect Segments Every Time!
Published: 2016/01/18
Channel: Carl Jacobson
Segmented bowls the easy way | woodturning
Segmented bowls the easy way | woodturning
Published: 2017/12/24
Channel: Blake Haskins
Big Red
Big Red
Published: 2017/03/29
Channel: Tom Lohman
Making a Wedgie Sled for Segmented Turning
Making a Wedgie Sled for Segmented Turning
Published: 2017/10/15
Channel: Donald Vlogsify's Wood Shop
Segmented Turning by Don Russell (Part 1 of 4)
Segmented Turning by Don Russell (Part 1 of 4)
Published: 2011/05/04
Channel: Gwinnett Woodworkers
Woodturning a Segmented Bowl with 1070 Pieces!! - Tornado Bowl
Woodturning a Segmented Bowl with 1070 Pieces!! - Tornado Bowl
Published: 2017/08/22
Channel: Fiaschetti Woodworking
Segmented Turning by Don Russell (Part 2 of 4)
Segmented Turning by Don Russell (Part 2 of 4)
Published: 2011/05/06
Channel: Gwinnett Woodworkers
Making A Segmented Vessel With Diamond Feature Ring   Part 1 of 9
Making A Segmented Vessel With Diamond Feature Ring Part 1 of 9
Published: 2014/06/15
Channel: Gord Rock
Segmented turning planner
Segmented turning planner
Published: 2009/10/13
Channel: Cap'n Eddie Castelin
Segmented Turning by Don Russell  (Part 3 of 4)
Segmented Turning by Don Russell (Part 3 of 4)
Published: 2011/05/06
Channel: Gwinnett Woodworkers
Measuring and Cutting a Segmented Ring
Measuring and Cutting a Segmented Ring
Published: 2011/10/09
Channel: SegmentedTurner
Segmented Turning - Part One
Segmented Turning - Part One
Published: 2015/01/22
Channel: Skip Deedon
Wood Turning Segmented Bowls
Wood Turning Segmented Bowls
Published: 2014/11/22
Channel: Wallace Currie
Planning a Segmented Turning with SketchUp
Planning a Segmented Turning with SketchUp
Published: 2016/09/07
Channel: David Heim
segmented wood turned Wedding bowl
segmented wood turned Wedding bowl
Published: 2015/02/28
Channel: frank howarth
Laying Out a Segmented Turning
Laying Out a Segmented Turning
Published: 2016/05/15
Channel: Steve Lindsley
Wedgie/ Miter Sled (Free Templates)
Wedgie/ Miter Sled (Free Templates)
Published: 2016/08/20
Channel: Marius Hornberger
Woodturning - Very Large Segmented Vase
Woodturning - Very Large Segmented Vase
Published: 2017/09/03
Channel: Josh Bayer
Turning a Segmented Bowl Part 1   8-29-11.wmv
Turning a Segmented Bowl Part 1 8-29-11.wmv
Published: 2011/08/29
Channel: David Clevenger
Segmented Woodturning I Got Wedgies For My Sled!
Segmented Woodturning I Got Wedgies For My Sled!
Published: 2016/02/22
Channel: Carl Jacobson
Woodturning A Segmented Vessel Inspired By Steve Lindsley. Part 1, Feature Rings
Woodturning A Segmented Vessel Inspired By Steve Lindsley. Part 1, Feature Rings
Published: 2016/11/04
Channel: Colbe Pease Woodworking
Padalar Bowl / Segmented Wood turning
Padalar Bowl / Segmented Wood turning
Published: 2017/03/19
Channel: Ollari's
Sanding Jig For Segmented Woodturning   Part 1
Sanding Jig For Segmented Woodturning Part 1
Published: 2014/04/23
Channel: Gord Rock
Segmented Turning - Part Two
Segmented Turning - Part Two
Published: 2015/01/22
Channel: Skip Deedon
segmented and solid wood turning by Neil Davis
segmented and solid wood turning by Neil Davis
Published: 2009/10/02
Channel: Neil and Ronna Davis
Segment Turning   Part 1 (Cutting and Gluing)
Segment Turning Part 1 (Cutting and Gluing)
Published: 2016/08/28
Channel: Maple-Crossing Woodworks
Peppermills segmented turning by A.D.G.
Peppermills segmented turning by A.D.G.
Published: 2011/02/13
Channel: Anto Dega Wood
Segmented Woodturning - How to Turn a Fruit Bowl Video - Wood Lathe Methods - Part 1
Segmented Woodturning - How to Turn a Fruit Bowl Video - Wood Lathe Methods - Part 1
Published: 2012/08/30
Channel: The Apprentice and The Journeyman
Segmented woodturning vase from oak and sycamore
Segmented woodturning vase from oak and sycamore
Published: 2016/11/15
Channel: Aleхander's woodshop
Wedgie Sled (Segmented Turning)
Wedgie Sled (Segmented Turning)
Published: 2016/09/18
Channel: BayLake Woodturners
Turning Segmented Bowl
Turning Segmented Bowl
Published: 2013/11/03
Channel: mortdiver
Segmented Wood Feature Rings - Design and Production
Segmented Wood Feature Rings - Design and Production
Published: 2017/01/15
Channel: SIS Woodworking
Simplified wedgie sled
Simplified wedgie sled
Published: 2016/10/27
Channel: Jeremy Schmidt
The Art of Patience: Segmented Woodturning with Ray Feltz
The Art of Patience: Segmented Woodturning with Ray Feltz
Published: 2017/09/11
Channel: Mercer Dewey
A Southwest Inspired Segmented Turning - Assembly
A Southwest Inspired Segmented Turning - Assembly
Published: 2015/05/09
Channel: Steve Lindsley
Woodturning A Segmented Vase
Woodturning A Segmented Vase
Published: 2016/03/10
Channel: Kyle Toth
Woodturning - Open segmented bowl
Woodturning - Open segmented bowl
Published: 2015/01/07
Channel: Thomas Anton Geurts
How To Make A Segmented Yin Yang Platter DIY Woodturning Projects
How To Make A Segmented Yin Yang Platter DIY Woodturning Projects
Published: 2015/07/17
Channel: Carl Jacobson
Turning a segmented bowl
Turning a segmented bowl
Published: 2012/07/29
Channel: Matthias Wandel
12 Steps to Segmented Turning Excellence: Step 6 - Cutting Segments
12 Steps to Segmented Turning Excellence: Step 6 - Cutting Segments
Published: 2012/11/12
Channel: William Kandler
Turning a Segmented Yarn Bowl from Beetle Pine
Turning a Segmented Yarn Bowl from Beetle Pine
Published: 2017/12/24
Channel: Brian Benham
A Segmented Turning - Part 1
A Segmented Turning - Part 1
Published: 2013/05/12
Channel: Steve Lindsley
Tommy Akridge segmented Wood Turning
Tommy Akridge segmented Wood Turning
Published: 2015/05/14
Channel: Tommy Akridge Designs
Indian Blanket Design For Segmented Turning
Indian Blanket Design For Segmented Turning
Published: 2015/02/28
Channel: Gord Rock
Free Style Segmented Bowl Turning Part 2 by Al Furtado
Free Style Segmented Bowl Turning Part 2 by Al Furtado
Published: 2015/03/23
Channel: Rebel Turner
Cutting Segments on a Wedgie Sled
Cutting Segments on a Wedgie Sled
Published: 2016/01/23
Channel: Steve Lindsley
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WIKIPEDIA ARTICLE

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Segmented turning is turning on a lathe where the initial workpiece is composed of multiple glued-together parts. The process involves gluing up several pieces of wood to create patterns and visual effects in turned projects.

Segmented turning is also known as polychromatic turning.

A ring-constructed turning

In traditional wood turning, the template is a single piece of wood. The size, grain orientation and colors of the wood, will frame how it can be turned into an object like a bowl, platter, or vase. With segmented turning, the size and patterns are limited only by imagination, skill and patience.

While the vast majority of segmented turnings are vessels of one sort or another, strictly speaking, any turned object comprising multiple pieces of glued wood could be classified as a segmented turning. Examples include pens, bowls, vases, salt mills, pepper mills, and rolling pins. By cutting and re-assembling pieces after they are turned, unique forms can be created, crossing over to pure art. See for example the work of Malcolm Tibbetts.

In addition to design skills, segmented turning demands precision woodworking skills as well as turning skills. Design and construction of a bowl blank—the wood piece mounted on the lathe for turning a vessel—requires angled miter joints cut to tolerances of as little as a tenth of one degree or better.

There are essentially two different techniques for constructing a bowl blank, ring construction and stave construction.

Ring construction is the most common. A ring-constructed blank comprises rings glued in a cylindrical stack. Though a platter or shallow bowl could be made from a single ring, stacking many rings is more typical. Apart from a lid or a base made and added after the fact, the height of the finished piece is a function of number of rings, and the height of each ring, which can vary for effect. Each ring comprises three or more pieces cut and glued to form a triangle, square, pentagon, hexagon, etc. The more pieces in a ring, the more challenging for the turner, because there are more opportunities for precision errors—gaps and misalignments in the joints between pieces. The individual pieces making up a ring themselves are often assembled from smaller pieces of contrasting or complementary colors to achieve striking patterns in the finished piece. This too adds to the complexity and challenge for the turner.

Native American pottery, basket, and textile designs, particularly from the southwest U.S., frequently inspire form and design features. These patterns are often geometric in design and thus are easier to recreate than more fluid forms found in nature.

Stave constructions are assembled like barrels—cylinders constructed from multiple long, vertically oriented pieces. As a rule, the grain in a ring-constructed turning runs horizontally in the finished piece, while the grain in a stave-constructed turning runs vertically, from top to bottom.

Another category of segmented turning called Open Segmented Turning is similar to ring construction but small gaps are left between the segments. Successive rings are offset so the segments interlock with the ring above and below. This type of segmentation seems very delicate and is somewhat transparent but it is generally quite strong. This concept was introduced by Yosh Sugiyama in the early 1980s. For example see the work of William Smith.

A segmented turning can combine ring construction, stave construction, and solid, non-segmented wood as well in a single piece. However, wood expands and contracts in the direction perpendicular to its grain as a function of its moisture content, itself a function of ambient humidity. In this case, during design and assembly, the turner has to be mindful of the impact on long term structural integrity of assembling the constituent pieces into incompatible, non-parallel grain directions.

Examples of bowls from boards

An important variation of the ring construction technique is known as "bowl from a board." Imagine a flat, square board bisected to create two identical rectangles, like two twin beds placed side-by-side to form a king-sized, square bed. Rings are created by cutting concentric semicircles from each of the two boards, one concentric half-ring a mirrored-shape of a half-ring from the other. The semicircles are typically cut with a bandsaw, but a scrollsaw, jigsaw, or coping saw would work. The blade of the saw used to cut the semicircles is set at an angle from the vertical, typically 45-60 degrees, such that when each mirrored pair is glued together to form a complete ring, the rings are shaped like cross sections of a cone. The rings are then stacked to create a cone-shaped blank. An incredible variety of visual effects can be achieved as a function of how the boards are constructed before the concentric rings are cut.

There are ongoing discussions as to whether turning is a trade, craft, or an art form. Turning in its original form was certainly utilitarian. If your last name is "Turner" chances are there was a production wood turner some generations ago in your family tree. Many turners produce spindle work for furniture, architectural work, toys, and bowls. But in recent years, many artists use turned pieces as a canvas for carving, pyrography, gold leaf work, inlay, stain and painting.

See also[edit]

Artists[edit]

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Software and Instruction[edit]

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