Cutaway of the tilting quad

To work out the scale of the design relative to the rider, and because I love cutaway sections:

"Tilting Quad"

Decided to go with a sleek, enclosed, leaning vehicle with four wheels...

Vehicle design

Know I want to design a vehicle of some kind, but not sure what yet. Here are some sketches.

Some mech sketches

Some recent doodles with my Pentel brushpen.