Line weights not exporting/printing correctly (Vector PDF)

Hi everyone,

I am having a persistent issue where my line thicknesses are not printing correctly from Rhino, despite having tried everything. I am trying to print to pdf to then import into illustrator for editing.

No matter what I do, the lines export to incorrect thickness. I want to export the line weights exactly as they are set up in my project, but the output does not reflect my settings.

My Setup:

ELEVATION FRONT 24-05-26.3dm (3.4 MB)

  • Rhino Version: 8

  • Operating System: Windows 11

  • Output Format: PDF (Vector Output)

  • Printing From: Layout Sheet Viewport

What I have already tried and ruled out:

  1. Vector vs. Raster: Verified the Print/Export dialog is strictly set to Vector Output.

  2. Printer Driver: Used the built-in Rhino PDF driver and Adobe PDF

  3. Object Properties: Confirmed line properties are explicitly set to ByLayer

  4. Global Scaling: Adjusted the Linetype and Line Width scale multiplier in the print menu, but it doesn’t solve the core issue.

  5. PDF Viewer Settings: Disabled Enhance Thin Lines in Adobe Acrobat to ensure it isn’t an Adobe display glitch.

  6. Detail Scaling: Checked the Layout Detail properties; layout line width scaling is enabled/set to 1.0.

  7. Display Mode: Checked Options > Display Modes to ensure the active viewport mode isn’t forcing a fixed pixel width override on curves.

It seems like Rhino is completely ignoring my layer print widths upon vector export. Has anyone encountered this bug before or is there a hidden document scale override I am missing / not understanding?

Any help would be greatly appreciated.

Thank you!

Hi Genis,

For ultimate control over linewidths i recommend duplicating your Continuous linetype and changing your Width Units to an actual units size vs pixel.

for example..