If its any help, Gsoup and I have been working on an advanced formula for putting and have discovered that in addition to using the kitchen work tops as our lab, if we use the hexadecimal system, precision is guaranteed and furthermore, you no longer need to heed the break in any way.
Thus far, our best solution is to adopt the following formula which in this example, is based on a ten foot putt;
(2 × 163) + (10 × 162) + (15 × 161) + (3 × 160)
We are still working on adapting the meter but have temporarily run out of pussers gaffa tape.
This works with all putters, and in negative gravity too.
Lizzie xx