How to Make an Origami Hummer From One Sheet of Paper

Even when you do things as complex as making origami hummer is that all done with just one piece of paper. You know there must be at least 10 to 50 designs of origami cars taking that design and then okay cool how do I expand out how do I get the wheels. How do I extend the body how do I make doors. All possible and all possible from one single sheet of paper. Some of the stuff people have made from single sheets of paper. It's it's still I see some of it and it blows my mind because I've done things like that. But I still sometimes look at them at the designs and I'm like how is this possible?