Fibonacci Gauge

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Project by souichiro posted 04-06-2010 03:45 AM 6413 views 9 times favorited 7 comments Add to Favorites Watch

I’ve been looking at David's blog on the fibonacci calipers, and various google results and i’m so excited to check this out. This was put together with a piece of padauk that was a cutoff given to me by an uncle. I don’t know how he gets stuff cut so thin, but I’ve been waiting for something cool to make with it. Sanded through 600 grit, and then put to the polishing wheel with HUD wax. The pins are just 1/4” dowel and some left over toy wheel axle caps. This one is about 6 inches long, and I want to make a thicker one that’s longer. Maybe even a tiny one for my sketch book. I guess it’ll depend on if I can get the feel for how to use it :)

updated: I made another one of these for my Great Uncle. He’s a wood worker too, and I thought that he might get a kick out of it. It’s maple, with brass screws. It is polished on the wheel with HUT wax. The maple really polishes up well and has a great feel in the hand.

-- Dale, Oregon

7 comments so far

View Richard's profile


11274 posts in 3421 days

#1 posted 04-06-2010 06:27 AM

WOW!! Thank you for this post. I’ve been an amateur student of Sacred Geometry for years now. I’ve seen these in use MANY times.

Having followed some of the Threads in David’s Great Blog I was able to find the EXACT Measurements for a DIY Caliper. YEAH!! Yes, the Fibonnaci Numbers do fit into the use of the Caliper. However it is more often refferred to as a ”Golden Ratio” Gauge or Caliper. Golden Ratio Measurement being 1.61803398874989+13 More …Rounded to 1.618.

That’s how this Caliper works, (See ichi’s Picture above) i.e. when you measure Anything with it, the two Outside Legs show the 1.618 measurement. The Left Leg to Centre Leg is “A”. The Right Leg to Centre Leg is “B”. Therfore “A”+”B” is to “A”, as “A” is to “B”. Clear as MUD right?? It works.

Simple Example: A Credit Card. Use the Unit ”1” to represent the WIDTH of the Card. The HEIGHT will be ”.618” to establish the ”Golden Ratio” measurement.

This Ratio appears EVERYWHERE in Nature, Human Beings, Layout of the Great Pyramids, Greek Parthenon, DaVinci’s Last Supper, Peruvian Man, Mona Lisa (Proportions of the Human Face) EKG’s, ECG’s, Car Design, Star Of David or Soloman’s Seal And Soloman’s Temple, Mayans, Aztecs, Freemasonry, and on and on and on.

WOODWORK?? Absolutely!! Establishing Proportions i.e. The Height of the Seat of a Chair in relation to it’s Overall Height, the Width of any project compared to it’s Height. Picture Frames, Welsh Love Spoon, Queen Anne, Chippendale, ALL the Great Styles of Furniture used it, as do many Designers and Manufacturers of today.

Well! That’s it Folks! I’m heading for the Worshop to construct my ”Golden Ratio Caliper”!!!!!

Thanks again ichi & David!!


-- Richard (Ontario, CANADA)

View NormG's profile


6435 posts in 3392 days

#2 posted 04-06-2010 06:34 AM

Great job, I have never used one of these but have read many articles about them and how they came to be. Proportions make everything look better.

-- Norman - I never never make a mistake, I just change the design.

View woodism's profile


46 posts in 3365 days

#3 posted 04-06-2010 07:35 AM

Brilliant! ( sneaks off to the shop) Gotta have one!

View Diamondback's profile


88 posts in 3527 days

#4 posted 04-06-2010 04:19 PM

Very nice. I use the golden ratio in most of my furniture designs when I can so this is quite cool.

-- Oshkosh, Wisconsin

View swied's profile


74 posts in 4150 days

#5 posted 04-06-2010 07:44 PM

I made one of these a while back with paint stir sticks. You’re looks much better than mine.

-- Scott, San Diego

View souichiro's profile


369 posts in 3733 days

#6 posted 04-10-2010 04:19 AM

Thanks everyone! Wow Rick, thanks so much for the feedback! I can’t wait to play with this more. I’m excited personally to use it in my sketching of ideas. I gave this one away, so the deed is done, I’m ready to make another one! :)

-- Dale, Oregon

View christopheralan's profile


1126 posts in 4108 days

#7 posted 04-17-2010 02:29 PM

Good job! I love the one I made a few weeks ago. Very handy!

-- christopheralan

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