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Been patiently waiting for this capability for years, not sure why it's so difficult. We do a lot of piping, but management are reluctant to go full T&P route, so were stuck with constraining either to work axis or frame generated pipe.
This is one of the reason my department starts switching from Inventor to SW lately. Our job is to assembly our products into a 3D-sketch centerline to create a complete assembly model for the customers. However with the extra steps of creating multiple "work axis" and "work points" (sometime work planes) it took a ton of time, hard to see, and way complicated the process for future revise. Also in Inventor Assembly Environment, only 2D-Sketches are allow to be created, but somehow not 3D-Sketches, so we have to create a new part for just the 3D-Sketch and place it in to our main assembly before starting the job, that made our design process became even more complicated. Now in SW, we are able to draw 3D-Sketch straight in the Assembly and "mate" parts directly to that 3D-Sketch. We were able to cut 40%~50% of time to complete the same job in SW. We still have couple engineers are using Inventor for the old revision, but sometime we just start everything over again in SW. Autodesk never listen to their users for years, I am glad that our management decided to move forward.
I think that Autodesk is making fun of us here. You can't accept something and then completely reject it. Autodesk should finally realize that a general overhaul of the 3D sketch should finally be on the agenda.
I think that Autodesk is making fun of us here. You can't accept something and then completely reject it. Autodesk should finally realize that a general overhaul of the 3D sketch should finally be on the agenda.
Now it is a 6 years old post.
We haven't seen the update in current Inventor versions.
IMOH it is a simple and useful feature in Inventor.
When will we get it?
We'd really like to see the status changes to "Accepted" rather than "Future...". 😀
Being able to constraint parts to a 3d sketch (skeleton) inside an assembly is critical for designers using a top down design approach.
Usually, there are tens or hundreds of parts need to be assembled to the skeleton (3d sketch).
Adding axis or point features to the skeleton can double up both work load and complexity that leads to an unreliable assembly.
This important product capability is so important. I noticed that this request has been left behind for years. For whatever reason, the development team should really take this issue seriously.
Please take action, no matter how difficult it is.
Just ran into this issue and read this thread going back to 2015! So it’s now end of February 2025 and it appears this desired capability has not been addressed…..on to the suggested work around…
This functionality would make pipe and tube routes much quicker and cleaner. Often our pipework is simple, and it's not worth the effort of using the tube and pipe environment. We can use the frame generator for pipe segments, but it would be handy for fittings and equipment if they could be constrained to a 3d sketch. That way, the constraints won't fail if the pipe or tube is swapped out or deleted.
