Full Version: Unexpected chamfer transition result Beta 5 Sept 17.

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The issue it where the chamfer ends I want it to taper back to the 90deg edge as in the photo without the blue question mark.

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Hi GuyLuke, it looks like you want a variable width chamfer with the chamfer width dropping to 0 some distance further along the edge?

Unfortunately MOI does not have a variable width chamfer option. It does have a variable radius fillet however.

The way you could use it is to cut this edge using the Edit > Trim command with the "Add trim points" button so that it will be split like this:



Then select the edges and run Fillet, put in 0.5 for the main radius and then under "Fillet set" add in a new point set, set the "Linear Blend option", pick the point where you split the edge and enter in 0 for the radius there.

That will build a fillet like this, then you can delete the fillet surfaces and use Loft between 2 edges at a time to build the chamfers.



= Michael

Image Attachments:
guyluke_chamfer1.jpg  guyluke_chamfer2.jpg 

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Or another possibility is to do the chamfer along the entire area, then boolean union the end part so you have this:



Then if you copy this edge over:



You can then make a cylinder with Construct > Revolve:



Then boolean difference using the cylinder as the cutting object:



- Michael

Image Attachments:
guyluke_chamfer3.jpg  guyluke_chamfer4.jpg  guyluke_chamfer5.jpg  guyluke_chamfer6.jpg 

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Michael.
I tried your first trick to get the right chamfer easily enough, but I can't get my head around what you did in your second example, Could you do a short video showing how things are orientated and how you placed the axis of rotation for the cylinder, please?

Thanks.
Martin.

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Hi Martin, I selected the edge and then ran the Transform > Copy command.

For the base point I clicked on the chamfer surface that is near the edge, then used surface normal snap to some distance away, looks like this:



- Michael

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Thanks, Michael.
The video was most helpful. MoI's incredibly powerful snap & construction line combination is just great in all sorts of ways.

Martin.

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