Fillet Polyline - False direction

[erhan.lale]

I have a Polyline based on 2 vertical arcs and 2 prependicular lines.

I send command

Fillet -> Polyline -> Radius 10

and select object. You can see the issue clearly: bottom left and bottom right corners are well done but top left and top right fillets are on false direction. I can explode and make fillet of 2 lines; but I want to know, why it is happening because I am try to automate some jobs. 

[AVCPlugins]

You might find AVC Fillet plugin helpful. The FP command works much better than the built-in counterpart.

[Valentin_CAD]

@erhan.lale ,

You must select on the lower side of the lines (the side ones) - weird, but it works.

    

[erhan.lale]

Fillet 2 lines works like you described.

But I do it with polyline and all 4 corners with one fillet.

It can not a be a random result. It must be a reason... 🤔

[Valentin_CAD]

@erhan.lale ,

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