Chapter 2 covered low-cost electronics that can sense the world around them and control objects that move. There is another side to this makertech movement: the ability to create just about any physical shape that will fit on the build platform of a 3D printer. If you combine these two sides, you get the capabilities for robots, drones, wearable tech, and the very low-cost science fieldwork described in later chapters in this book.
In this chapter, we talk about what 3D printing is, what varieties are appropriate for consumer use, and what is involved in using a 3D printer. We also get into materials you can use, what you ...