3D modelling combined with 3D scanning allows you to create any object you can imagine or see. This is very useful if you are required to prototype a model for an assignment, or just want to make your own phone case.
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Types of assignments — information on designing 3D models and how to get 3D models
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Free tools are completely free to use with all features.
Freeware tools include basic functionality for free. Additional features may need to be paid for.
Open source tools are developed in a collaborative manner and can be used, modified or shared openly. This software can be used for free and often includes a lot of support documentation.
Paid tools can only be used after purchasing, and agreeing to, a product licence.