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How to constrain profile that changes angles while keeping tangent arcs?

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chas_esau
443 Aufrufe, 3 Antworten

How to constrain profile that changes angles while keeping tangent arcs?

I've always had issues with constraining stuff with angles. I'm wondering if anyone has suggestions on this family? The height value will change which changes the angle of the line. The line needs to be locked to the two points shown. I would prefer the fillet arcs remain tangent as the height changes for a smooth curve. I've tried with both extrusions/voids cutting the arc and this sweep to avoid using voids altogether since they can be finnicky with precise cuts/angles.

 

I've attached the family.

profile1.png

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blank...
als Antwort auf: chas_esau

1. Add a reference line from the points you marked

b01.jpg

 2. Edit the sweep, edit profile, use pick lines and pick that line. Trim to arcs.

3. Select bottom arc, see these little "IC" marks with locks. Lock both on bottom arc and the one to the slanted line one the top arc.

b02.jpg

 

b03.jpg

 

b04.jpg

 

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chas_esau
als Antwort auf: blank...

Thank you so much, I was having trouble figuring out how to use the reference line. I also was not aware you could lock tangents.

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blank...
als Antwort auf: chas_esau


@chas_esau wrote:

I was having trouble figuring out how to use the reference line.


Just draw it from intersection of reference planes to intersection of reference planes. In my experience Revit automatic constraints work OK in simple cases. You can of course draw in anywhere and align lock to reference planes by tabbing in to get reference line points.

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