The graduated scale length (producing angled frets) is a patented design by Ralph Novak of Novax Guitars. He calls it the "fanned fret" system. There are other guitar and bass builders using that design that pay a licensing fee to Ralph. I wonder if Agile is paying the fee? Doesn't look like it.
I owned a Novax guitar and found it to be quite playable. I didn't even really notice the fanned frets while playing, unless I looked at them.
A little reading
and a video
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Just here surfing Guitar Pron ibanez.com wiring diagrams
RG2EX1 w/ SD hot-rodded pickups
RG4EXFM1 w/ Carvin S22j/b + FVN middle
Laney GC80A Acoustic Amp (a gift from Guitar Player Mag)
GNX3000 (yea I'm a modeler)
What does it do for playing?
88-89 fender HM Strat(Dimarzio pickups)
Squier Standard Strat(JB)
Boss SD-1, Boss DD-7, EXH Holy Grail Reverb, Morley Power Wah, Boss Tuner
Vox NightTrain 50 to a Crate gx10 Cab.
Mainly, the idea is to combine the virtues of Gibson and Fender scales in one guitar: more bendable trebles, and stiffer, snappier basses. According to Ralph Novak, it also helps intonation and eliminates dead spots.
Charlie Hunter is probably the most well known player using a fanned fret instrument. He says he couldn't play his stuff - simultaneous comping, bass and lead - without the fanned frets. He plays a 7 string model now, by here is a clip of him playing an 8 string :