From the course: AutoCAD 2019 Essential Training

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Redefining block definitions in a drawing

Redefining block definitions in a drawing - AutoCAD Tutorial

From the course: AutoCAD 2019 Essential Training

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Redefining block definitions in a drawing

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- [Instructor] We're staying in the ReusingContent.dwg file. And I've left it in the same state as it was at the end of the last video. So, our hinge is a block, our bolt is a block, our keyhole is a block, and we've also inserted another incidence of that keyhole block reference. So, what happens now if I need to redefine a block definition? How do I do that? How do I redefine a block? Well, the good thing about blocks is you can Explode them. So if I now hover over this keyhole here, and it sits a block reference, and I can go to the Explode command, on the Modify panel, on the Home tab on the ribbon. If I Explode that, it goes back to the zero layer you'll notice. This is still a block. This block reference still exists. This is now a group of arcs on the Layer 0. Now what I'm going to do, is I'm going to redefine my keyhole block. What I'm going to do is, I'm going to delete that arc there. And I'm going to draw a line, and it's going to make for a weird-shaped keyhole, I have to…

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