The 'D' Neck issue..

[Pino Cazzaniga]

Well, I realize now that my necks are not D nor Eb.
As most of my clients use a 1 3 4 fingering, they may play D with the first finger and Eb with the third finger.
And I place the thumb at the heel opposite to the second finger.
Seems to be halfway...
A widening technique is also teached, to play an half tone per finger.
And, according to the score, people use mixed different fingerings.
I'm not a musician, so I can't go further, but things are still developing, so I expect different demands.
Arnold's "You can't put the wood back" is probably the right advice here.
A related issue I'm wondering about is the SL/Body Stop ratio.
The standard for cello is 1,75. For basses I found anything from 1,75 to 1,8.
I think ( I hope ) that it will be not standardized, as it's due to many variables, but I wonder about the tone and maybe the wolf tones effects, if any.