V-Ruler Reference Chart
As referenced in how to use a
V-ruler for dividing a 10 Combination temari, one need not carry around
the mathematical formula for calculating the centers of this division.
to review, it is an easy three-step process: measure the circumference
of the mari in cm; divide that by 6, and remember that result (call it
Result A). Then, divide the original circumference by 100 and remember
that result (call it Result B). Add Result A and Result B
together, and you have the distance between centers for that particular
mari. As a formula, it is written as (circum/6)+(circum/100) = distance
between C10 centers (and yes, that circumference/100 is very important.
One may think it too small to worry about, but it's not and the symmetry
will not work without it).
Using a V-ruler is a quicker and
easier method since one only needs the value of the circumference, and a
V-ruler reference chart, commonly found in many English and Japanese
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