3D Printing: 3d printing occurs after modeling an opject. you can use premodeled or make your own. it then prints in layers based.
3D Scanning: are fast, most times accurate, and automated. They are ideal for complex shapes. they are similar to lazer printers
Laser Cutting: lasers are used to cut various materials. It helps with accuracy and is very dangerous. When setting consider the x,y,z and optic system