So I have created a simple family with a width and height instance parameter. It has a total of 5 extrusions. When i apply the width parameter to the model everything moves as its suppose to. But when i apply the height parameter it causes the top extrusion to move independently from the rest of the extrusions. I have locked the extrusions to the reference plane and locked the extrusions to each other but its still moving like this. Can anyone identify what I am doing wrong?
I have attached some screenshot to help better explain the problem
Add more reference planes/lines and use more constraints to fix the extrusions.
Consider uploading your family if you need more detailed advise.
Louis
Please mention Revit version, especially when uploading Revit files.
seems like the sides are only locked to side and btm ref planes , top corners/ends are not locked to the top reference plane. Otherwise you would get a warning
...we might have some other suggestions for you, if you want to post the family for us to look at.
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