Measuring Heads for Custom Hats New Conformateur & Formillon Set by Mark DeCou Studio

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This is a mated set of Hat Making tools used to measure the head size and shape of a person’s head. The custom Hat Maker is able to take these measurements using the Conformateur, and transfer that shape/size to the Formillon, make a record of the size for future hats, and then shape the hat to the required shape.

This design is my original concept with some ideas inspired by antique Maillard-Paris equipment made in the 19th Century. I have restored a lot of the old Maillard Equipment for hat makers over the past years. This restoration work has allowed me to create my own design that is accurate, durable, and attractive. The Custom Carrying Case is padded and is designed to store and carry the Conformateur Formillon Set while traveling.

The hardware is all brass material, the wood is Hardrock Maple, and Burled Walnut, with a Black Lacquer finish.

This is No. 1 of my latest Gen-3 2014 Design, which was commissioned by custom hat maker John Penman of The Penman Hat Company

John has waited patiently for about a year for this project, and he ordered it sight-unseen, a real gem for a customer of woodworking, and a great hat maker to boot.

Thanks for Looking,
Mark DeCou

Mark DeCou Studio (

Looks like a James Bond contraption. ;-) Very nice work. Very ingenious with a beautiful case.

Losing fingers since 1969

wow …. beautiful

(love Brian’s comment hahaha)

Toxins Out, Nature In - body/mind/spirit

It looks awesome. Very “Steampunk” and so I love it immediately.
(and BTW, I wear hats, proper hats, not caps, keep up the good work)

-- Alec (Friends call me Wolf, no idea why)

thanks for the encouragement folks. I started wearing proper hats when I started getting dark skin spots showing up on my cheeks. Now, I go for a full ring of hat brim to give a little sun cover, and I like them unique, interesting/creative, custom made, and conformed. I fear that there will be a lot of my generation that regrets the ball cap era…no protection at all for ears, neck, and cheeks. Previous generations wore hats with more of a concern for sun protection.

Mark DeCou Studio (

Very cool, I didn’t know such a device existed. I’m curious to see a pic of this being used.

Rob, Sault Ste. Marie, Ontario

Excellent work.

Mike, an American living in Norway

You make tools look like art Mark.

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