i want to have a 3d model of a car in such a way that when i click when i click on one wheel than that click on the wheel acts as a command (such that command button is pressed) and when i click on the other wheel than that also acts as another command , in short i want to have command buttons on clicking my 3d model , i have no 3d model and i dont know my requirements yet and pre-requsits for that aplication.
