I have a storm manhole whose rim I can't set below a certain elevation...if I try to make it lower, it just reverts back to that number that it won't go lower than. I changed the properties so that the structure no longer has a reference surface, I changed the "Automatic Surface Adjustment" option for Insertion Rim Behavior to "False."
Can anyone help me figure out what's restricting my ability to adjust the rim height?
You cannot force the rim below the elevation needed for any cone or slab on the structure. C3D will not allow a pipe to lie in that region, so change the structure to have a shorter cone/taper section.
To add to what Jeff said, it may be possible to adjust some settings in Structure Properties such as frame height
or barrel clearance depending on parts catalog etc. to make minor adjustments.
Frame height is as low as it can go from the three options given to me by the dropdown, and I am not able to edit barrel clearance--it's greyed out.
I assume I would have to make a new part in part builder in order to get a structure that will let me have a lower rim height then?
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