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Table Of Contents
332 | Chapter 13 Creating Drawing Views
Creating Reference Dimensions
You can supplement parametric dimensions with reference dimensions. The
reference dimensions do not control the size of the model; however, if you
change the model, the reference dimensions are updated to reflect the new
size. Reference dimensions reside on the
AM_REFDIM layer.
In the next exercise, you add a reference dimension to the front view.
To add a reference dimension
1 Zoom to the front view.
Browser Right-click Base and choose Zoom to.
2 Use
AMREFDIM to dimension the vertical distance from the top of the right-
most rib to the top of the rightmost lug, responding to the prompts.
Context Menu In the graphics area, right-click and choose Annotate
Menu Reference Dimension.
Select first object: Specify a point at the top of rib (1)
Select second object or place dimension: Specify a point at the top of lug (2)
Specify dimension placement: Specify a point to place the dimension (3)
Specify placement point or [Undo/Hor/Ver/Align/Par/aNgle/Ord/reF/Basic]:
Enter v to force a vertical dimension, or press
ENTER
Select first object: Press ENTER
NOTE You can move some of the dimensions to avoid a cluttered view.
1
3
2
reference dimension addedpoints selected