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Surfacing: merge two shapes into one and make a solid body

Question asked by Paul Millhouse on Feb 21, 2019
Latest reply on Feb 27, 2019 by Paul Millhouse

Hi all,

I'm trying to form a manifold-type shape where one cylinder separates into two slightly smaller cylinders.

I'm almost there but I've run into some headaches along the way and I'm hoping someone more familiar with surfacing can help me out.

Attached are screenshots of what I'm trying to form.

Light_guide_joint.PNG

I want this to be one solid body. I've used Boundary Surfaces followed by Surface Knits (Create solid checked) and finally a Combine. This works okay but the resulting merge line seems irregular as you can see in the following image.

Light_guide_coupling_FRONT.PNG

I want this part to be perfectly symmetrical about the Right plane.

 

I've tried playing with the boundary surfaces but that either makes the Combine fail or gives me some other error or makes the part look even more funny.

Is there a way to anchor the point with the arrow (whatever it's called) to a specific quadrant point on the circle?

 

Alternatively is there perhaps a better way to create this shape?

Are the surfacing features I'm using the best ones for this? Am I using them correctly?

 

Alternatively could I just do a sweep with a variable diameter? Couldn't figure out how to do that.

Another option might be Lofted Boss/Base but that looked funny.

 

I know I can do it in an assembly but I want a one-piece solid body part as I will later 3D print this and use it for a mold.

 

Part attached.

 

Thanks

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