BUG: section drawing generate extra lines

Rhino
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1

@rajaa
I’m back trying the new section drawing in the latest Beta 9 (9.0.26258.12303, 15/09/2026)
and I’m getting weird lines when the “tangent” is checked.
To me it looks like some of the tangent lines from tha back are drawn also if them should be hidden.

see here the dotted lines shouldn’t be there:

Rhino9_2026-09-16_BUG
Rhino9_2026-09-16_BUG1892×1163 217 KB

this is the file I made using the gumball functions:
ModeloMania_2019_Rb9.3dm (1.0 MB)

Thanks
PS: I like the new interface to manage the section, much more usable.
PPS: the SectionDrawing icon, especially in dark mode, is bearly visibile. maybe @marika_almgren is in charge?

2

@skysurfer Is it the ClippingSections or the ClippingDrawings icon that you refer to?

3

Clipping Sections:

immagine
immagine263×240 17.6 KB

4

Hi skysurfer -

Thanks → RH-98733 ClippingDrawings: Hidden Tangents Visible
-wim

5

RH-98737 Icons: Clipping Sections icon needs to be more visible (in darkmode)