Is it possible to constrain a sketch dimension to be equal to another dimension? For example if I want the diameter of a circle to always be the same as the length of a particular line, how would I do that?
In other CAD software it’s possible to select another sketch dimension in the input field for the one you are constraining but this doesn’t seem to work in S3D.
I don’t think it’s possible at the moment. However, parametric variables are coming and you’ll be able to achieve the same result.
You can do that, but not directly.
Draw a circle.
Draw a line from origin of circle to perimeter edge. Make sure that the incident constrains appear.
Now draw a separate line and enter a length for the new line.
Now select the new line first, and shift select the line in the circle.
Set = constraint for the lines.
When you change the length of the solo line, the circle will change.
Finally set the line in the circle to be a construction line.
Thanks, that’s helpful in some cases.
So what we can do is make entities (circles, lines, etc.) equal but not actual dimensions. For example you can’t make two angles the same unless you can use or create entities that are proxies for those angles.
Hopefully the parametric variables feature is coming soon!
Control is fairly limited, you can use = on Length and Radius.
Like you say, you can do a certain amount of angle control using the line length = constraint.
It would be nice to have Angles added to the = constraint.
It looks promising for the future, as I got an error message from the new dimension tool, which told me the variable was not defined.
With variables, all kinds of things become doable.