I'm having problems creating a boundary patch on the attached model, Its a Y-Pipe joint in 3 planes that I'm attempting to split in half. I've used a silhouette curve to create a centre line in a 3d sketch then joined the ends together, however when I try to select the lines to create the boundary patch it only allows me to select some not all of the lines.
Can any one advise please?
Is this what you are trying to do?
Planar patch correct?
Planar is 2Dsketch.
Create workplane though 3 points (I used center of arcs).
Project Cut Edges.
Not sure why you would do this part as Adaptive, but for sure if doing as adaptive I would fully constrain those arcs by adding Tangent constraints.
Thanks for the reply, I dont want the split to be on a flat 2d plane, I would like it to follow the silhouette curve ie form a 3d separation that is along the centreline of all 3 pipes. (The small pipe deviates in the Z direction as well as XY)
After I fixed the tangecies you still had two tiny gaps in the 3D sketch.
Close those and the boundary patch works with your 3D sketch.
Thanks, I hadn't noticed the gaps. I've gone over and found 3 gaps which I've joined and 1 overlap and it will now create a boundary sketch. However the next step in my model is to extend this surface out 5mm (I'm creating a male press tool) but the extend tool is creating errors, which I guess may be linked to the overlaps and gaps in the boundary sketch.
Is there anyway I can create a better boundary sketch? I can understand why it would leave gaps and overlaps where it has. A collegue is working on a similar tool although slightly larger and is having no issues.
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