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Octagon Formula!!!

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Reaper559666
Level 49 : Master Dragon
I recently came up with a formula for building octagons in minecraft, you take the length of the diagonal wall and you get the length of the straight wall, ie. 55-diagonal, 77-straight. The ones that are perfect are; 5x7, 10x14, 15x24, 20x28, 25x35, 30x42, 35x49. you can figure out the rest yourself with a calculator. You can use this formula for building epic octogons that look cool when used right.
Progress: 100% Complete
Tags:Octagon, Shape, Formula

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deadbuilder_1
Level 22
Expert Architect
October 3, 2014, 3:55 pm

The formula is Strait side devided by 1.4 equals diagonal and diagonal *1.4 equals straight.

G1RCraft
Level 5
Apprentice Modder
April 5, 2012, 3:05 pm

Where is the formula i'm not seeing it anywhere

Corgano
Level 1
New Miner
July 22, 2012, 8:59 pm

an octagon with a side length of n, will have a diagonal length of n/sqrt(2) blocks

another useful thing to know is that the TOTAL WIDTH from side to side can be given by:
(n/sqrt(2)*2)+n+2

depending on what size area you want to fill, or how long you want the sides, you can get any shape that is pretty much accurate..

Rawrsxc
Level 1
New Miner
September 17, 2014, 9:54 am

@Corgano actually considering this is minecraft, if you want to find the overall size across-flats, you could just do:

(2xdiagonal length + Normal side Length) + the thickness of the material, twice (assuming you're measuring outside dimensions)

Reaper559666
Level 49
Master Dragon
April 17, 2012, 6:25 am

5 by 7

nipon621
Level 1
New Miner
March 8, 2012, 7:03 am

Bookmarked! If only there was a way to get this more views - this is the kind of thing that should come in the minecraft building manual. That doesnt exist, but it should! A concise collection of formulas for building - if I were to start that, could I have permission to use this formula (with credit given of course)?

Squonkybox
Level 1
New Miner
September 29, 2011, 4:05 pm

ok, now how do you make circles?

Reaper559666
Level 49
Master Dragon
September 30, 2011, 4:34 am

[img=pnghttp]http://2.bp.blogspot.com/_RS0-H23MwJA/TRCohf8RV7I/AAAAAAAAAJE/InlUtEWGaVQ/s1600/1291120137315.pnghttp://[/img] http://2.bp.blogspot.com/_RS0-H23MwJA/TRCohf8RV7I/AAAAAAAAAJE/InlUtEWGaVQ/s1600/1291120137315.png

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