alangor: if u want to make the line for the door or bonnet and so on.....maybe u can use the oil based marker......may find it in the stationary store.....
Bloodyhell : sorry that u maybe misunderstood (I GUESS!!!)what he said...
your method may be helped to make the window frame.....but i think it's bit difficult to make the line for the door or bonnet.......hehe!!!!hope u dun mind la!!!!
covering those parts with tape..then spray those at last ... or cover the whole body and leaving that part out, spray it with black first, then other colours.