I am currently trying to "trim" two ducts at a 45 degree angle. This is certainly possible within revit, although we often get various error messages such as "No auto-route solution found" or "the resulting angle between segments is too great or too small" and rarely we will get the error "Segment is being drawn from the wrong side". I'm very good at troubleshooting Revit's quirks, although we cannot seem to figure this one out.
I've attached some images for reference. In "error 1.png" you can see the operation. I'm simply trying to join the two ducts at a 45 degree angle. In "error 2.png" you can see an example of one of the several error messages received. In "error 3.png" you can see that the ducts of the same type (which does not actually matter) and that they are both supply air and on the same workset and design option. In this particular example I've trying the trim command. I've tried drawing the duct directly into the other one at the endpoint. I've tried copying the ducts out and trying again. I've tried in numerous views. I've verified that the ducts are aligned on all sides (as the ducts are the exact same size, although again this shouldn't matter.) I've even trying drawing brand new ducts.
This is not a detrimental issue considering it will wind up working in a few hours or after a half hour or so of repeating the same troubleshooting steps. It's irritating that I have to waste so much of my companies time to try and do such a simple operation in Revit. This has been an ongoing issue that we tend to spend way more time on than it's worth. It's much easier to simply "show" the segments connecting rather than physically connecting them, but that just leads to much larger issues down the road.
On another note, we have even received this error when just drawning a brand new duct out in space by itself. At times, we've gotten all 3 errors while doing this.
I know the answer is going to be something like "deal with it" or "it may get fixed later on" but is there a "dirty" fix that can be used until autodesk fixes the issues with MEP or a workaround of some sort? Maybe I'm just doing something wrong, although many people in my organization have the same issues "electrical conduits, piping, ect.) Another common issue that should be address is the wacky transitions that will sometimes be automatically placed when trimming ducts. Either you get a weird offset or a complete unworkable solution.
Do you have the routing preferences properly configured for all piping, conduit, and ducts?
Do you have templates, did anybody setup and tested those templates?
Seems that you are wasting too much time troubleshooting things that could be setup with anticipation in templates.
Having said that, I suggest that you post your question in the Revit MEP forum, where you would have already received answers, because most of the MEP experts read that forum, not this one.
Thank you for your response Alfredo, I will move my post to the appropriate forum. We do have all of the routing preferences set up correctly and we do have tested templates.
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