Thanks Simon. I'll probably have a drop Adam an e-mail to address all the questions since I'm planning to customize the dimensions to very specific parameters...

Re the neck pocket, I'm not clear yet whether the 30" and 34" scales neck pockets are different. Fender's certainly are. My preferred solution would be a 30" scale neck using a 34" neck pocket (longer neck pocket should help minimizing neck dive). I already have a spreadsheet to convert and set up all key dimensions (bridge, pickups) for Warmoth and Fender regular and short scales. Once I know the length from the nut to the end of the neck pocket for a 19-frets 30” neck, I can get all the measurements right.

I’m actually planning on using P90 pickups for the build, not sure yet whether I want to stick to a single pickup (which I reckon should be close to a split-coil voicing) or do 2 side-by-side P90s (using a bridge + middle set) to get series + parallel wiring options. Series should give a could mudbucker approximation, I’m curious about what a parallel wiring would sound like. If sticking to a single pickup I'll get a 3-holed control plate (either V/T/jack or V/Bass cut/Treble cut a la G&L).

I’ll ideally get the factory to do the routing if possible, if not that’ll be a good introduction to routing. I'll have to shape the headstock anyway.

I’m planning a solid paint finish (Createx Fastback Green metallic). I’m not so worried about the painting as I’m fairly decent with an airbrush (I’ve been using AB’s for miniature models painting for 10 years), but I don’t have buffing / polishing experience. Luckily I’m fairly patient 😊