Preparations for Animation

Because such an object only really becomes interesting when animated—that is when it represents motion—in the second part of this working example, I'll describe the steps necessary to accomplish this.

Duplicating the Connecting Rods and Piston

We'll begin by adding the missing connecting rods and pistons through simple copying. After modeling, and thanks to the Symmetry object, the crankshaft features three axles. We therefore need only two more connecting rods and two pistons.

You should collect all objects of the connecting rod and piston in a group so the pistons and connecting rods will be duplicated as a coherent unit. To do this, either arrange the piston object beneath the connecting rod object or select the ...

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