Weird thick black line appearing on my layout when printing to pdf

Trying to print a layout to PDF using the Rhino PDF printer (have tried adobe, and foxit with same effect) and its printing these huge thick black lines that dont exist in my drawing or show up in the print preview. Thoughts?

PDF of printed layout

Screenshot of layout

Images are pretty useless to troubleshoot these issues.
We will need:

  • 3dm file and print settings you’re using
  • Rhino’s SystemInfo details

Thanks

I just uploaded the file to Rhino - Upload to Support

Rhino 8 SR0 2022-12-6 (Rhino WIP, 8.0.22340.12305, Git hash:master @ d4a00cc453abcfe9fc7a8e109856bf957cdda0d3)
License type: Commercial, build 2022-12-06
License details: Cloud Zoo
Expires on: 2023-01-20

Windows 10 (10.0.19044 SR0.0) or greater (Physical RAM: 32Gb)

Computer platform: DESKTOP

Standard graphics configuration.
Primary display and OpenGL: NVIDIA RTX A4000 (NVidia) Memory: 16GB, Driver date: 9-12-2022 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 517.40
> Accelerated graphics device with 4 adapter port(s)
- Windows Main Display attached to adapter port #0
- Secondary monitor attached to adapter port #1

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On
Graphics level being used: OpenGL 4.6 (primary GPU’s maximum)

Anti-alias mode: 8x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: High

Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 9-12-2022
Driver Version: 31.0.15.1740
Maximum Texture size: 32768 x 32768
Z-Buffer depth: 24 bits
Maximum Viewport size: 32768 x 32768
Total Video Memory: 16376 MB

Rhino plugins that do not ship with Rhino

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 8 WIP\Plug-ins\Commands.rhp “Commands” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\WebBrowser.rhp “WebBrowser”
C:\Program Files\Rhino 8 WIP\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 8 WIP\Plug-ins\RhinoScript.rhp “RhinoScript”
C:\Program Files\Rhino 8 WIP\Plug-ins\IdleProcessor.rhp “IdleProcessor”
C:\Program Files\Rhino 8 WIP\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\RhinoRender.rhp “Legacy Rhino Render”
C:\Program Files\Rhino 8 WIP\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\rdk_ui.rhp “Renderer Development Kit UI”
C:\Program Files\Rhino 8 WIP\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 8 WIP\Plug-ins\IronPython\RhinoDLR_Python.rhp “IronPython” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\Constraints.rhp “Constraints”
C:\Program Files\Rhino 8 WIP\Plug-ins\RhinoCycles.rhp “RhinoCycles” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\RhinoCode\RhinoRoslyn.rhp “RhinoRoslyn” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\RhinoCode\RhinoCodePlugin.rhp “RhinoCodePlugin” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\RhinoCode\RhinoCPython.rhp “RhinoCPython” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 8 WIP\Plug-ins\BlockEdit.rhp “BlockEdit” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Rhino 8 WIP\Plug-ins\ConstraintsUI.rhp “Constraints UI” 8.0.22340.12305
C:\Program Files\Rhino 8 WIP\Plug-ins\SectionTools.rhp “SectionTools”
C:\Program Files\Rhino 8 WIP\Plug-ins\export_PDF.rhp “PDF Export” 8.0.22340.12305

Oh I just discovered what the issue was…there were overlaying curves in those two areas. I deleted the offenders and the problem went away. Not sure why that caused the giant thick black line though? I often have unintended overlapping curves and thats never been a problem before.

I’m glad you found it.
The 2 Layouts you identified do not look anything like your screenshots.
I was getting ready to ask for further clarification.

If you have time, maybe export just the offending curves to a new file and see if you can repeat the oddity there.

Then we have a far more efficient file to use for bug hunting.

Thanks

Oh that’s probably because I use a custom display mode, I should have sent you my .ini file too. I will attach it here.

Paper Space Display R8 WIP.ini (12.8 KB)

I tried drawing the overlapping curves and could not reproduce the problem. I’ll keep my eye out in future. I could go back and open up an old autosave but I don’t have time to chase it today. Thanks for your help John.

seldup command can be useful for finding duplicate curves that overlap.

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