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Guilloché

Overview

Guilloché Toy
a canvas on Potch.Me

Guilloché is a decorative technique in which a very precise, intricate, and repetitive pattern is mechanically engraved into an underlying material (usually metal) via Engine Turning . It is a form of Fixed Tool Turning .

There is also a web site titled, Guilloché Toy, where you can play around with the various parameters to see the resultant pattern produced. An example is shown to the right.

Some brands of straight line engines include :

• Kenlock
• Lienhard
• Neuweiler and Engelsberger
• Pear
• G. Plant

Additional pictures of this device

Examples of this device in use

• Coin with Guilloché processing in production (YouTube video). The patterns can be in a radial manner using a rose engine lathe. This video shows a coin (a flat, round piece of metal) with guilloché patterns being applied in a radial pattern. There are also some other really nice videos by Roger Smith (rwsmithwatches) showing similar work.
• Part 1 of 4 - Straight Line Engine Turning by Roger Smith (YouTube video). Alternatively, the pattern can be in a linear manner using a straight line engine. The YouTube video shows a watch face with a basket weave guilloché pattern being applied in a linear pattern
• The Art of Guilloché from RGM Watch Co on Vimeo. The Vimeo video shows both types of machines in use. I find that watching this video of such a master craftsman at work is mesmerizing.
• 2 Gorgeous Antique Engraving Machines - Rose engine - Guilloché (YouTube video). This is a nice video showing a 1914 Duget "tour a Guilloché" (rose engine) machine and an 1891 "ligne droite" (straight line) from Duget machine (an old French engine maker).

More Information

Published Articles

• Art, History, and Processes of Guilloché Engraving by G. Phil Poirier. Ornamental Turners International Newsletter, Volume 27, Special Edition - April, 2020, pg. 3
• Guilloché Turning by (unknown). Rose Engine News, Volume 4, No. 3, Winter, 2013-4, pg, 12.

Books

• Guilloché: A History & Practical Manual, 2017, by Calina C. Shevlin. This is excellent If you are interested in pursuing this segment of ornamental turning.

Web Sites

• Celia Kudro has put together an online blog about engine turning and Guilloché engraving machines, their restoration, and use. This site also includes a nice Engine Turning/Guilloché Guide & Glossary.
• The Santa Fe Symposium is an annual conference for jewelry makers, and often has topics around ornamental turning and especially guilloché. These include a bit of history and are great reads. Some of note include:
  • Art, History and Processes of Guilloché Engraving by G. Phil Poirier, 2015
  • The Parts and Processes of a Rose Engine in the Modern Shop by G. Phil Poirier, 2016
  • The Straightline Engraving Machine by G. Phil Poirier, 2018
  • Guilloché From Watch Dials to Fantastic Creations by Calina Shevlin, 2018
  • The Ornamental Lathe by G. Phil Poirier, 2019

Presentations

• Richard Ketchen on Guilloché for clock making and clock repair, by Richard Ketchen. 1997 OTI Symposium (Portsmouth, NH)