Hello, the easiest way is to work with a 3d sketch and a swept base boss. Just build the tube by the axis and there should be no problems. Then normally no problems to modify or rereceive. Otherwise don't hesitate to switch to the piping module which is very efficient.
I'm available for any questions, I work with them all day.
I can't use the routing module. First because I don't have it, and then because all our old assemblies are like that (I didn't have the problem). Thank you anyway.
I create the axis by selecting the 2 edges of the tube. Unfortunately I can't make a capture...
If I understand correctly, you used the "Construction Line" function in the drawing and then dimensioned those lines.
The fact that the construction lines do not follow is a "normal operation" (bug?), why not import the dimensions of the model? All that remains is to rebuild the construction lines.
Alternatively, in the drawing, you can sketch axes and put them collinear with the temporary axes of the extrusions.
*Edit
After testing, sometimes the construction lines follow
drawing pipes, I use a 3D sketch and mechanically welded elements, it allows you to draw very quickly the path of your pipes, to change the location of your axis and to modify your path at will. If you have constrained your sketch well, everything will follow!
I don't use smoothing because I need to know the number of elbows ect in a nomenclature. In fact I create a part with a boss of a circle, and I make configs to be able to have several lengths in a single part.
To make piping without the piping module, I make the 3D sketch appear in the drawing and I dimension it (or I get the sides via the object of the model) and if you lengthen the sides follow!
In fact, my method (3D sketch + mechanically welded) can give you a nomenclature referencing your number of bends, straight lengths and other special elements
Agree with Joss the number of bends is displayed in the list of welded parts if you make the bends in the welded construction.
Otherwise, with us or the order is automated from the excel nomenclature. So I put radii of the same size as the radius of my elbow in my 3D sketch, but in the welded construction I only take the straight part and then I add the elbows in my 3D assembly.
It's up to you to see the best method for your needs.
Example in blue of the right parts made from the 3D sketch + welded construction:
The best thing to do on SW is, if possible, to use only imported dimensions (ideally the one of the 3d pilot sketch that defines the trajectory). If I'm missing a dimension on the drawing, I often re-edit the 3d to add the dimension I want.
In the case where you find yourself forced to put dimensions manually on the 2D and if you don't want to have wobbly dimensions at each reconstruction, the best way is to put dimensions on entities of the creation tree. Typically the origins, the 3 plans of each room, plans driven by the pilot sketch...
All edges in the drawing are calculated, so they can be renamed/disappeared when recalculating views.
My method is not very pleasant when dimensioning the plan but personally I find it less painful than having to delete/put back dimensions each time the plan is opened. And if the plan is copied/modified, at least the drawing follows as it should.