All sorts of materials are made out of plastic. It's pretty inexpensive and isn't that hard to work with. If you're trying to develop your own part or product made out of plastic, you'll probably be participating in plastic fabrication. Even if you're new to this form of fabrication, you'll have success thanks to these insights.
Be Careful About Using Heat
Some of the fabrication techniques used to manipulate plastic will involve heat.
If you need to have one or more pieces of metal cut, you might be planning on taking your metal to a machine shop so that they can get the job done for you. If so, you might want to specifically look for a machine shop that has laser cutting equipment for this task. It might not really seem like it matters what type of equipment the machine shop uses for cutting your metal, but it's more important than you might think for these reasons and more.