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Making Things Move DIY Mechanisms for Inventors, Hobbyists, and Artists by Dustyn Roberts

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2Materials: How to Choose and Where to Find Them

Once you’ve decided to make something that moves, you’ll need to find parts and materials to build it. Aside from the usual constraints of availability and budget, how do you choose materials for your project? What’s the difference between types of wood or kinds of aluminum, and are there any other options?

In this chapter, you’ll learn about the various types of materials, how to use them, and where to find them. But first, we need to talk about how materials are described.

Describing Materials

In order to choose materials for projects, you need to learn how to describe materials and how strong they are. Each type of material is characterized by material properties.

Material Properties

A ...

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