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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 24
  • 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.
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  • G1RCraft
  • Level 5
  • Apprentice Modder
  • April 5, 2012, 3:05 pm
Where is the formula i'm not seeing it anywhere
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  • 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..
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  • 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)
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  • Reaper559666
  • Level 49
  • Master Dragon
  • April 17, 2012, 6:25 am
5 by 7
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  • 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)?
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  • Squonkybox
  • Level 2
  • Apprentice Miner
  • September 29, 2011, 4:05 pm
ok, now how do you make circles?
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  • 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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