Bonny Doon Narrow Anticlastic Forming Stake for Swanstrom Anvil

Create flowing, dimensional metal forms with the Bonny Doon Narrow Anticlastic Forming Stake, designed specifically for the Swanstrom Anvil. Featuring 5 different-diameter anticlastic forms, this specialized stake gives jewelers and metalsmiths a versatile selection of narrow working surfaces for developing opposing compound curves in sheet metal.

The narrow profiles are especially useful for jewelry-scale work, smaller components, and designs that call for tighter or more focused anticlastic curvature. Precision CNC-milled construction provides excellent rigidity with minimal flex, while secure bolt-in mounting creates a stable forming platform for controlled hammer work.

Pair it with the Bonny Doon Urethane Hammer for controlled forming while helping protect the precision working surfaces of the stake.

Features & Benefits

• 5 different-diameter anticlastic forms provide a versatile range of working surfaces
• Narrow forming profiles are ideal for smaller components and more focused curves
• Designed for creating opposing compound curves in sheet metal
• Excellent for dimensional and sculptural jewelry
• Multiple diameters allow you to select a forming surface suited to the scale of your project
• CNC-milled construction provides superior rigidity with reduced flex
• Bolts securely into the Swanstrom Anvil for a stable working platform
• Designed for use with the Bonny Doon Urethane Hammer
• Ideal for jewelry making, metalsmithing, silversmithing, and dimensional metalwork
• Made in the USA

Specifications

Five Anticlastic Forming Sizes

The stake provides five different-diameter anticlastic forms, giving you multiple working surfaces within one compact forming tool.

Different projects call for different degrees of curvature. The selection of diameters lets you choose a forming surface that better matches the size and proportions of the workpiece, whether you're developing a small jewelry component or a more pronounced dimensional form.

This versatility also allows you to move between different forming surfaces as a design develops.

Designed for Narrow Anticlastic Forms

Anticlastic forming creates compound shapes in which the metal curves in opposing directions along two axes.

The resulting forms often have a distinctive flowing or saddle-like appearance, adding movement and dimension to otherwise flat sheet metal.

The narrow profiles of this stake make it particularly useful when working on:

• Earrings
• Pendants
• Narrow cuffs
• Bracelet components
• Sculptural jewelry
• Dimensional jewelry components
• Curved sheet-metal elements
• Decorative metal forms

For jewelry-scale work, the narrower working surfaces provide focused areas for developing compound curvature.

Create Dimensional Jewelry from Sheet Metal

Anticlastic forming can transform a relatively simple piece of sheet metal into a sophisticated three-dimensional form.

By progressively working the metal over an appropriate anticlastic surface, you can develop opposing curves that add depth and visual movement without relying on a simple dome or single-axis bend.

This makes anticlastic forming especially useful for contemporary jewelry, sculptural pieces, and designs where the shape of the metal itself becomes an important part of the finished piece.

Multiple Diameters for Greater Flexibility

Having five different forming diameters gives you more freedom to match the stake to the design rather than adapting every project to a single working surface.

A tighter profile can be useful for smaller or more pronounced forms, while a broader profile can help develop a gentler transition.

The multiple working surfaces also make the stake useful for experimenting with proportions and gradually refining the curvature of a piece.

Secure Swanstrom Anvil Mounting

The Narrow Anticlastic Forming Stake is designed to bolt securely into the Swanstrom Anvil.

Secure mounting creates a solid forming platform and keeps the stake firmly positioned while you work.

That stability allows you to concentrate on hammer placement, controlling the workpiece, developing symmetry, and progressively refining the compound curve.

CNC-Milled for Rigidity & Control

The stake is CNC-milled for superior rigidity and reduced flex.

A rigid forming surface provides a stable foundation for hammer work and helps transfer forming force into the metal rather than losing energy through unnecessary movement of the tool.

For detailed jewelry-scale forming, that stability provides greater control as the shape develops.

Recommended Bonny Doon Urethane Hammer

Bonny Doon designed this stake for use with the Bonny Doon Urethane Hammer.

The urethane striking surface provides the force needed to form metal while helping protect the precision surface of the stake. This is particularly valuable when working with forming stakes, where dents or damage to the working surface can affect future workpieces.

Anticlastic vs. Synclastic Forming

The difference between anticlastic and synclastic forming is important when selecting the correct Bonny Doon stake.

Anticlastic forming creates opposing compound curves. The metal curves one way along one axis and in the opposite direction along the other, creating flowing or saddle-like dimensional forms.

Synclastic forming creates curves that move in the same general direction along both axes, resulting in rounded, domed, concave, or convex forms.

Choose this 11541902 Narrow Anticlastic Stake when you want opposing compound curves.

For rounded narrow forms, hoops, bangles, and other synclastic work, choose the corresponding 11541901 Narrow Synclastic Forming Stake.

Part of the Swanstrom Anvil Forming System

The Narrow Anticlastic Stake is part of Bonny Doon's interchangeable forming system for the Swanstrom Anvil.

Using specialized stakes allows you to select the forming surface that best suits each project while retaining the same stable anvil platform.

Combine narrow, broad, anticlastic, synclastic, and combination stakes to build a versatile dimensional-forming setup around the type of jewelry and metalwork you create.

Frequently Asked Questions

What is the Narrow Anticlastic Forming Stake used for?
It is designed for creating opposing compound curves in sheet metal, producing flowing, dimensional forms for jewelry and metalwork.

How many forming surfaces does it have?
The stake features 5 different-diameter anticlastic forms, giving you several working surfaces for different project sizes and degrees of curvature.

What types of jewelry can I make with it?
It is well suited to earrings, pendants, narrow cuffs, bracelet components, sculptural jewelry, and other dimensional sheet-metal designs.

Why choose a narrow anticlastic stake?
Narrow profiles are useful for smaller jewelry components and designs where you want to develop more focused anticlastic curvature.

What is anticlastic forming?
Anticlastic forming creates a compound surface with curves running in opposing directions, producing characteristic flowing or saddle-like shapes.

Does this stake fit the Swanstrom Anvil?
Yes. The stake is specifically designed to bolt securely into the Swanstrom Anvil.

Is the Swanstrom Anvil included?
No. This product is the forming stake; the Swanstrom Anvil is a separate part of the forming system.

What is the difference between 11541901 and 11541902?
11541902 is anticlastic, designed for opposing compound curves. 11541901 is synclastic, designed for rounded dimensional forms. Choosing between them depends on the type of curvature you want to create.

What hammer should I use with this stake?
The stake is designed for use with the Bonny Doon Urethane Hammer, which provides a softer striking surface for controlled forming.

Where is this forming stake made?
The Bonny Doon Narrow Anticlastic Forming Stake is made in the USA.

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