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# using variables to control a drawing...

N/A

Hi,
A couple more questions if I may. The attached PDF basically sums up my problem
- I'm trying to construct a data-driven drawing, but it may be a case of "running
before I can walk".
I'd like to be able to control the various features I've marked up by variables,
but up until now have not had much luck - whenever I try to change a diameter etc
using variables, everything becomes a mess...
Thanks for any help/pointers!
Cheers
Nick

# Re: using variables to control a drawing...

N/A
Nick,
Keep in mind that dimensions are variables.
Dimensions drive the geometry.
1. For the notch widths define equal constraints between the lines at the
bottom of the notches.
You can do the same for the notch depth lines.
Place dimensions for the depth and width of one of the notches.
The other notches will adjust with the the one with the dimensions when you
change the dimensions.
2. Place a diameter dimensions to control the diameters.
3. The number of semi-circles cannot be controlled by variable.
4. The gap between the semi-circles can be made the same by using the equal
constraint on the lines again.
5. You can control the position of the first semi-circle by placing a
distance between dimension to drive the location.
6. you can use horizontal alignment constraints to ensure the circles align
with the semi-circles.
Regards,
Rick B.