Shell Object dont want to merge with extruded spline (no caps)
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 From:  Michael Gibson
10751.2 In reply to 10751.1 
Hi Nikita,

re:
> When I filleted the bottom surface too, and then applied the shell construct I have no problems.
> Why is that?

Offsets are easier to calculate when the pieces meet smoothly.

An offset between 2 smooth pieces goes something like this:





With smoothly meeting pieces, the offsets of each piece automatically touch each other.

With pieces that meet at a sharp corner that isn't the case:





With sharp corners, the offsets of each piece do not automatically touch each other, a gap opens up between them. So there has to be a process of extending and intersecting the pieces which is especially difficult when it's surfaces involved instead of curves.

- Michael

EDITED: 30 Jun 2022 by MICHAEL GIBSON


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 From:  Nikita3D
10751.3 In reply to 10751.2 
Ah, thank you for that perfect explanation and the pictures!:)
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