Fusion 360 is the first 3D CAD, CAM, and CAE tool of its kind that connects your entire product development process in a single cloud-based platform that works on PC, Mac, and mobile devices. This is a very good application you can use to create your 3D models to print on a 3D Printer or laser cut.
The first thing you need to do is to create a free educational license. All instructions here. The video on the left explains it.
WARNING
The school software version does not change throughout the year. This means that if you work on a project on your home computer then the version will not be compatible with the school system and you will need to only work on it on your home computer/own device.
Best thing is to start with the tutorial on the left and then continue with tutorial below.
Self-paced learning for Fusion 360: Beginner tutorials in Fusion 360
Autodesk - Getting Started for Absolute Beginners
Making a Hinge in Fusion 360 and exploded drawing