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I'm trying to bring our company logo into Blender to create a 3D model of a plastic part, for a concept visualization. I can import the SVG just fine, and extrude it in the Curve/Geometry properties. However, when I try to add a bevel, the geometry inflates so that the bevel is outside of the original curve, not subtracting from the extruded solid like a bevel should:

enter image description here

enter image description here

Since this is a logo, this won't fly, especially as the rest of the design has some quite narrow gaps which get closed up by this bevel behaviour.

I have also tried converting the curves to meshes, but these are so poorly tessellated that there's no way to bevel them in edit mode or with the modifier.

Any suggestions?

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  • $\begingroup$ Use a negative Offset value on the curve matching -1 x Bevel Radius $\endgroup$ May 11, 2023 at 20:45
  • $\begingroup$ I've looked for a bevel offset control, but I can't find it. Where is it? $\endgroup$ May 11, 2023 at 21:02
  • $\begingroup$ Ah - I see what you meant. That works, but there are artefacts where the geometry now overlaps. $\endgroup$ May 11, 2023 at 21:05
  • $\begingroup$ These artifacts are still visible when rendered in Cycles. Small black patches. $\endgroup$ May 11, 2023 at 21:06
  • $\begingroup$ Yes, hat is a well known limitations, no elegant solution other than converting to mesh and manually fixing it. See blender.stackexchange.com/questions/51327/… blender.stackexchange.com/questions/92632/… $\endgroup$ May 11, 2023 at 21:15

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