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Paint Stir Stick Fibonacci Gage

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Project by swied posted 05-04-2009 06:59 AM 5466 views 10 times favorited 8 comments Add to Favorites Watch

I was inspired by David's blog posting titled Furniture Designs #1: Fibonacci gauge.

I did a few a^2+b^2=c^2 calculations, and created an image in Sketchup. I figured the quickest and cheapest way to construct this would be with paint stir sticks. I placed my printout over the sticks, and pressed hard with a pen tip to put a dent in the wood where the holes will go. It took about five minutes to put the whole thing together. Next time, I’m going to scale my drawing up a little to take advantage of the whole stick.

-- Scott, San Diego





8 comments so far

View a1Jim's profile

a1Jim

112941 posts in 2331 days


#1 posted 05-04-2009 07:06 AM

Good thinking great job

-- http://artisticwoodstudio.com Custom furniture

View souichiro's profile

souichiro

369 posts in 2100 days


#2 posted 04-06-2010 07:50 PM

Very cool Swied! How does this thickness work out? The one that I made is too thin I think…. I’m thinking that I should make a new one with thicker stock.

-- Dale, Oregon

View swied's profile

swied

74 posts in 2516 days


#3 posted 04-06-2010 10:24 PM

It works ok. The screw eyes get a little wobbly, and I always have to tighten them. I would use better hardware next time. I don’t understand your question about thickness. How would thicker stock be better? I would think that you would want thinner to minimize the offset from the middle finger.

-- Scott, San Diego

View Mark Whitsitt's profile

Mark Whitsitt

86 posts in 1734 days


#4 posted 04-07-2010 05:44 AM

Any way you can share the Sketchup model?

-- -- "there are many good reasons to use old hand tools, but moral superiority is NOT one of them..."

View souichiro's profile

souichiro

369 posts in 2100 days


#5 posted 04-07-2010 06:13 AM

I was just thinking because mine feels so flimsy, as if it will break. Plus, it just doesn’t have that substantial feel in the hand. I’m not sure if it would affect the offset or not, but the more I think about it, the more I want to find out! Maybe I’ll give this one away so then I ~have~ to make another.

-- Dale, Oregon

View swied's profile

swied

74 posts in 2516 days


#6 posted 04-07-2010 10:28 PM

How do you share a Sketchup model? I don’t see anywhere to upload files.

You could just save the third picture that I displayed above, and scale it up/down with Photoshop Elements or something similar. I uploaded it so that people could print it out, and make there own.

-- Scott, San Diego

View Mark Whitsitt's profile

Mark Whitsitt

86 posts in 1734 days


#7 posted 04-08-2010 07:29 PM

Re: Sharing Sketchups—I’d recommend sharing/uploading the model to the Sketchup 3D Warehouse, finding the uploaded model in your web browser and copying the url to paste into a posting here.

For instance: Knock-Off-Wood Simple Bed Modified by Jawhorse (Mark Whitsitt)

-- -- "there are many good reasons to use old hand tools, but moral superiority is NOT one of them..."

View Dan Krager's profile

Dan Krager

1742 posts in 988 days


#8 posted 05-27-2012 12:28 PM

I have to admit, I’ve a BS in math and I still had to look up Fibonacci! Long time, many sleeps! I couldn’t link the name to the golden rectangle. For manual drawing this would be invaluable.
There is a certain amount of irony in using SU to design the device because SU has the golden ratio built into it. If you’ve ever drawn a rectangle, SU will momentarily pop up a ghost at “square” and “golden”. But of course you already knew that.
Thank you for the review. I have been going through all the old LJ projects, all 4400 pages.
Dan

-- Dan Krager, Olney IL http://www.kragerwoodworking.weebly.com

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