i do. not for a living though. but do make some money from it. the first pic is of a miniature jet engine.
the second pic is of a multi throttle setup.
as for my paying jobs, (thats right, i have two jobs, have to pay for mods somehow), my day job is as a metal spinner (sheet metal work). some of our better known clients are:
* nizpro
* brescianni racing
* max dumesny motorsport
* hrt
* fpr
* harrop eng
other job is a foundry / cnc machine shop. some of there clients are
* aps
* speed technology
* hollinger
* motec (throttle bodies)
* perkins motorsport
* hrt
* fpr
* hallibrand
* starr