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All Replies on Hand and eye folks, suggested proportions for 6-board chest?

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View JohnMcClure's profile

Hand and eye folks, suggested proportions for 6-board chest?

by JohnMcClure
posted 09-10-2018 12:52 PM


5 replies so far

View Firewood's profile

Firewood

1060 posts in 2244 days


#1 posted 09-10-2018 01:18 PM

John. Try sketching it using the golden ratio and see how the proportions look. Use it for the box height (box + space below) and use the height * 1.61803399 to determine the length. The ratio may or may not be able to determine the depth.

If you have more images of the chest, you can take measurements off the photos and test how close the original is to the ratio.

Hope this helps

-- Mike - Waukesha, WI

View Kazooman's profile

Kazooman

1413 posts in 2563 days


#2 posted 09-10-2018 01:57 PM

You can get close to some of the proportions from the one photo you posted. Measure the total height and the height of the leg at the front corner. That will be a good measure for those proportions. The viewpoint of the picture is close to being right at 45 degrees to the front and sides so perspective issues should not be a problem. Measuring them from the photo should give a pretty close figure for their proportions. Combine with Mike’s golden ration to set the length to height ratio and you have a good idea of the overall proportions. If you are making a small box you could very easily make a full scale mock up using corrugated cardboard from an old box and some tape. Get SWMBO to sign off on the overall size and proportions and then go make some sawdust.

View Rich's profile (online now)

Rich

5155 posts in 1200 days


#3 posted 09-10-2018 03:53 PM

The easiest thing to do is take the ratios from the photo itself. Using xScope on my Mac and pixels as a unit, the height, minus the lid is 850. The distance from the floor to the chest is 250, leaving 600 for the depth of the chest, minus the lid.

The front, accounting for the 36º angle due to the perspective, is 960 and the depth front to back is 620.

Interestingly, the ratio of the dimensions of the front of the chest is 960/600, or 1.6, which is the golden ratio.

If you’d like me to pull any other numbers from it, just ask.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

View Woodknack's profile

Woodknack

13026 posts in 2990 days


#4 posted 09-10-2018 05:16 PM

View Smitty_Cabinetshop's profile

Smitty_Cabinetshop

16345 posts in 3229 days


#5 posted 09-10-2018 05:48 PM

^ That site also provided the following dimensions: 160×112 x 77 cm.

-- Don't anthropomorphize your handplanes. They hate it when you do that. -- OldTools Archive --

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