BASIC CONCEPT: Rethink Richter-Diatonic, to make blues more playable with without the use of so many partial draw bends, overblows, etc.
WHEN/HOW: June of 2017, through Seydel's Configurator. This was a Noble Classic Low, as the first note is C3.
LAYOUT:

Notes of the Minor Hexatonic Blues Scale in G: G — A#/Bb — C — C#/Db — D — F — G.
Chords in this setup:
I Gmaj yes (x2), one with 7th
ii Amin no
iii Bmin yes, partial
IV Cmaj yes (x3)
V Dmaj no
vi Emin no
vii F#dim no
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Also: Gmin, Bbmaj, C#min (partial), Dmin (partial, x2)
DETAILS:
The first five channels are Standard Richter. For the life if me, I could not find any way to make that any "better".
Channels 6-10 represent a new thinking, whereby all of the Minor Hexatonic Blues Scale notes (see above) are accessible as unbent blows and draws. The blow notes in channels 6, 7 and 10 were chosen not to BE PLAYED, but rather to make the DRAW-BENDS of those channels complement the unbent blues scale notes. Note that in the high half of the harp there are a number of enharmonic relationships between bend and unbent notes of the blues scale.
As a variation on this theme, the top five channels of this setup can be dropped into channels 1-5 or 2-6 of a six-hole harp (e.g. Big Six).
I am too shy to post my own sound or video. However, if someone with more chops than me (= pretty much everybody) wants to give it a try, pm me.