Create a List of Resources for Learning About 3D Printing

As a hobbyist interested in [Specify hobby or type of DIY projects] and intrigued by the potential of 3D printing, I am looking for resources to learn about this technology. However, my knowledge about it is currently at a beginner level. I am particularly interested in understanding the basics of 3D printing, including the different types of 3D printers, how they work, the materials they use, and how to design and print 3D models. I'm looking for resources that can help me gain a thorough understanding of these areas.