14-EDD

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Dot-Guide for 14-EDD instruments

14-EDD Fretboard is based on the formula (Scale_Length/(2^(x/14))). Mark Allan Barnes, in his intuition, designed a Dot-Pattern that show us the middle step between two 7 EDDs :

14-EDO_Dot-Guide_1.png
14-EDD Mark Allan Barnes Dot-Guide

The 7-EDD dot-guide, no obstantly, can be resumed by this way :

14-EDO_Dot-Guide_0.png
14-EDD Dot-Guide, simplified form

The dots are in the places 3· 5· 7· 9· 11· 14: 17· 19· 21· 23· 25· 28: & 31· graphics a scale of 2L4s 3;2 Relation, 3 2 2 2 2 3.

Step Purdal size Cent size
01 707,1 85.71
02 1414,3 171.43
03· 2121,4 257.14
04 2828,6 342.86
05· 3535,7 428.57
06 4242,9 514.29
07· 4950 600
08 5657,1 685.71
09· 6364,3 771.43
10 7071,4 857.14
11· 7778,6 942.86
12 8485,7 1028.57
13 9192,9 1114.29
14\0: 9900\0 1200\0

Another way for a 14-EDD dot-guide, like a interesting decorative form, is like this:

14-EDO_Dot-Guide_2.png
14-EDD Dot-Guide, alterned form

By this way obtains a scale of 4L2s: 3 1 3 3 1 3, placing the dots in 3· 4· 7· 10· 11· 14: 17· 18· 21· 24· 25· 28: & 31·

Step Purdal size Cent size
01 707,1 85.71
02 1414,3 171.43
03· 2121,4 257.14
04· 2828,6 342.86
05 3535,7 428.57
06 4242,9 514.29
07· 4950 600
08 5657,1 685.71
09 6364,3 771.43
10· 7071,4 857.14
11· 7778,6 942.86
12 8485,7 1028.57
13 9192,9 1114.29
14\0: 9900\0 1200\0