Best masking order

[MK999]

Sketching out a few designs on photoshop i think i finally found one I like enough to put on a shell, only problem is which order to mask it in, this probably won't follow the exact lines and hopefully will be a bit better aligned so all the chrome edging isn't touching etc... colours are spaz stix liquid metal orange and blue, blue with darker detailing around the curvature of the body, chrome edging, with plain faskolor white to make it stand out a little and spaz stix black backer where seen (hopefully )

At the moment i'm thinking the best order is, unmask the blue, i'm not sure whether to spray the black behind or in front of the translucent blue though but then unmask the chrome edging for the blue, back it with chrome, back it with black as per spazzy instructions, unmask the orange part, spray that, unmask the edging and back it with chrome (also do window edges possibly) and then unmask the white area and shadow it, and then spray the white.

That seems like an awful lot of steps though, there must be an easier way? Also i'm not sure if i'm ok to be using black backer as a 'normal' colour, as far as i know it's just black paint like any other?

edit: pic got a little distorted in colour it seems, but you get the idea, any general comments/ideas welcome !