From the course: Autodesk Inventor 2020 Essential Training

Work with origin geometry - Inventor Tutorial

From the course: Autodesk Inventor 2020 Essential Training

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Work with origin geometry

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- [Instructor] Let's take a moment to look at the origin geometry. You saw me interacting with the origin geometry in the previous movie briefly and I wanted to take a moment and dig in a little further so that you understand why they're so important. The origin geometry and the components that make up the origin can be found in the browser here at the top. Clicking the plus symbol next to the Origin folder exposes all of the items that build the origin for, essentially, every part and assembly you're going to create. By default Inventor has these items turned Off and will turn them On if needed automatically. If I right click and select New Sketch, you'll notice that they all become visible and they show up in the graphics window. This will allow me to select a flat face to begin sketching on. If I hit Escape, you'll see that Inventor automatically turns them Off and returns to the previous state. You can always manually turn these On by selecting the top plane, and holding Shift down, and selecting the Center Point, right clicking and selecting Visibility. This turns them On and allows you to see them even while you're designing. Now what's important here is these items all interact to create this Center Point. For example, we have three different planes, the YZ, the XZ, and the XY planes. They each intersect to create specific axes. For example, the X axis that you see here is created by the intersection of the XY plane and the XZ plane. The same is true for Y. If you select the Y axis, you can see that these two planes, the YZ and the XY, intersect to create this axis. And then finally, down below, the Center Point is created by the intersection of all three of the axes. It's important to know this because this Center Point is projected to every single sketch you create and can be the fixed point in space that you draw from. I typically encourage users to start drawing from the origin geometry in a sketch because it makes the sizing and scaling of geometry more predictable. You can always turn these On and Off as needed. I'm going to go ahead and select them all and then right click and select Visibility to turn them Off and collapse it back to the beginning point and we are back to a basic file. It's important to just remember that those origin geometry components are there for you at any time you need, during any process.

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