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I am trying to use the Bevel-Object field in the curve object. However the bevelled curve does not match the referenced curve in the X and Y direction (they do match in the Z direction).

enter image description here

The scales of both curve objects are at 1.00 for all axis. I think the problem might have something to do with the curve radius for bevelling but this is also set to 1.000 and I can only find a mean control value (not a value for the separate axis)

What is the best way to correct the difference accurately?

blend file

tjrhyder
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  • https://blender.stackexchange.com/questions/56079/how-can-i-make-a-perfect-sweep-with-bevel-object-in-bezier-curve3d-pipe/56115#56115 https://blender.stackexchange.com/questions/66353/how-to-make-beveled-90-degree-corners-on-a-curve-better/66367 – Duarte Farrajota Ramos Aug 26 '19 at 13:19
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    In this case, I think turning the main curve to 2D should work. – lemon Aug 26 '19 at 13:20

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Turn the base curve to 2D. That will adjust the corners profile to the bevel object:

enter image description here

2D curves have limitation though: they need to be planar.

If 3D, the corner profile corresponds to the bevel object rotated 45°. So this is matter of choice.

lemon
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    Great, so to use the 3D option I scaled my profile curve (in edit mode) in the X direction by sqrt(2)/1. – tjrhyder Aug 27 '19 at 08:21