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Typically, when dimensioning geometry we try to stay away from crossing dimension lines. Sometimes though it's unavoidable. In the event we end up with some crossing dimensions, we can apply dimension breaks to make them easier to read. In this lesson we'll learn how to create dynamic dimension breaks. On my screen I've a mechanical example and this drawing contains several crossing dimensions. Now if you get too many intersecting dimension lines in a drawing, it can make your measurements difficult to read. Let's start by breaking this horizontal extension line where it crosses over this vertical one.
Let's zoom in and I'll center this on screen. To break this dimension, I'm going to jump over to the Annotate tab and inside the Dimensions panel I'll launch the DIMBREAK tool. I will then select the dimension I'd like to break, and then I'll select the object that I'd like to use to break it. Note that I said object. That's because you can break a dimension using virtually any object in your drawing. When I'm finished I'll press Escape. Let's try another. I'll pane the drawing over to the left side and this time I'd like to break my angular dimension using this linear dimension.
Once again, I'll launch the DIMBREAK tool. I'll select the dimension I'd like to break and then I'll select the object I'd like to use to break it. Notice that AutoCAD applies breaks at all crossing locations. Let's do one more. We'll pan over to the right and this time I'd like to break both of these extension lines using this Multileader. I'm going to press my Spacebar to re- launch the DIMBREAK command and since I like to break multiple objects, I'm going to right-click and select Multiple.
I will then select each dimension and I'll press Enter and then I'll select the Multileader. You know the best part about dimension breaks is that they are dynamic. That means if I move this Multileader, you can see the dimension breaks go along for the ride. If you like to remove a dimension break, you can re-launch the DIMBREAK tool, select the dimension you'd like to remove the break from ,and then right-click and select Remove. So in the event you have some crossing dimension lines, consider using the DIMBREAK tool. Not only will it make your dimensions easier to read.
the breaks will also dynamically update if you change your geometry.
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