Understanding object origins
Here’s some advice – if you want to be in a healthy relationship, you first have to work on yourself. A relationship is a lot of commitment, so before we assign relationships between our objects, we need to make sure they’re ready. If an object has unresolved issues, it’s better to fix those issues now, before they become another object’s problem.
The parts of our toy train have just one small issue in common. Select any object that is part of the train and see whether you can find its origin:
Figure 4.2: The wheel object’s origin at the center of the scene
Every object in Blender appears to have an origin, a point in space that looks like a small orange dot in the 3D Viewport when the object is selected. It is often thought of as the object’s “center,” although it doesn’t necessarily have to be at the center of anything.
In our case, it looks like...