# PDF line weight became heavy after Rhino 6 update to SR17 (6.17.19189.16411, 8/07/2019)

**URL:** <https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135>\
**Category:** Rhino for Windows\
**Created:** [July 13, 2019, 5:24am UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135 "2019-07-13T05:24:07Z")\
**Posts on this page:** 14\
**Page:** 1

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**Author:** ![coffsoft](https://avatars.discourse-cdn.com/v4/letter/c/5f9b8f/32.png) [@coffsoft](https://discourse.mcneel.com/u/coffsoft)\
**Post date:** [July 13, 2019, 5:24am UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/1 "2019-07-13T05:24:07Z")

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Hello,

Since the update to SR17 (6.17.19189.16411, 8/07/2019), I am now seeing thicker printed lines on some objects, as shown below.

Before the update:

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/c/2/c2e12ac765bd2d4e5bdf4ef9e69fad60f83fad5e.png)

After the update:

![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/3/a/3ac0857013483f042def5e4d829c604bff5a8423.png)

The thicker lines appear on Technical Details of Layout pages. I have not changed the Options settings.

The line weight problem occurs with RhinoPDF and PDFCreator, so it is probably an issue within Rhino.

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/d/5/d5944550c225df7feb700189dd0f108243028f13.png)

I have attached the Print Width setting for Default, which is 0.0 mm.

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/c/7/c75b6dea58f47cf7080cdac2fe867aecf874c0bd.png)

The thicker lines appear to be shown for surfaces and polysurfaces. The lines for curves appear to be OK.

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/4/0/406317d554d9e8626531840abab15c7fb79dc504.png)

The page top margin is not being correctly set in the generated PDF file since the Rhino update.

 ![JPG](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/a/f/afda1e28585471d792b8e4c23834eeda69ebdc5d.png)

The left and right margins have also been reduced, but not as significantly as the top margin.

I am now using Version 6 SR17 (6.17.19218.13231, 6/08/2019). It appears that the margins have been improved. Although they are not the same as in earlier release candidates, they are acceptable. However, the thicker lines are still appearing.

Regards, Garry.

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<div class="post-metadata">

**Author:** ![Artstep](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/artstep/32/762088_2.png) [@Artstep](https://discourse.mcneel.com/u/Artstep)\
**Post date:** [August 11, 2019, 1:55pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/2 "2019-08-11T13:55:25Z")

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Though I can’t answer why this is happening, I have always found that scaling line widths by 1.0 has always caused me problems. Under View and Output Scale of the Print Dialog, I find values between 0.25 and 0.4 give me the sort of result I’m looking for.

Hope that helps,

-Sash

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<div class="post-metadata">

**Author:** ![coffsoft](https://avatars.discourse-cdn.com/v4/letter/c/5f9b8f/32.png) [@coffsoft](https://discourse.mcneel.com/u/coffsoft)\
**Post date:** [August 11, 2019, 9:12pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/3 "2019-08-11T21:12:30Z")

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Hi Sash. I do not see those settings in the Print Dialog. I found a similar setting under Linetypes and Line Widths, which was set to 1.00. I changed the value to 0.25 and 0.35, but it had no impact on the output.

Under Rhino Options I found View Scaling Horizontal and Vertical settings, but they scale the overall image, not line widths.

Still puzzled.

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/e/9/e979628a7293ff953b33583c6ef2f30d61852663.png)

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/9/7/9780b0210af9c6fbee58c19ab09cda94456b06b6.png)

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/5/4/540d0900e83157b01fbfcc3153a8761a8247593b.png)

Regards, Garry.

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**Author:** ![pascal](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/pascal/32/479395_2.png) [@pascal](https://discourse.mcneel.com/u/pascal)\
**Post date:** [August 12, 2019, 3:54pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/4 "2019-08-12T15:54:47Z")

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Hi Garry - are these in ‘Technical’ or ‘Pen’ mode? If so look in the display mode settings under Lines and adjust there - does that do anything?.

-Pascal

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**Author:** ![stevebaer](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/stevebaer/32/473567_2.png) [@stevebaer](https://discourse.mcneel.com/u/stevebaer)\
**Post date:** [August 12, 2019, 4:16pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/5 "2019-08-12T16:16:32Z")

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If possible, could you send us a model so we can try and repeat the issue?

I would also like to know if running the test command `TestToggleTechDisplayMode` and then printing gives you the thinner results you were expecting.

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<div class="post-metadata">

**Author:** ![coffsoft](https://avatars.discourse-cdn.com/v4/letter/c/5f9b8f/32.png) [@coffsoft](https://discourse.mcneel.com/u/coffsoft)\
**Post date:** [August 12, 2019, 10:13pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/6 "2019-08-12T22:13:17Z")

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Hi Pascal. There are no helpful settings in that area. I have looked many times, but found nothing. All values are set to 1 pixel, which is the minimum allowed. That appears to relate to display rather than print. To clarify, the display on screen is correct, but the lines become thick on the printed output.

 ![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/b/b/bb790269887682f0a64e5e02bd72ff7b5196cc6d.png)

Regards, Garry.

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<div class="post-metadata">

**Author:** ![coffsoft](https://avatars.discourse-cdn.com/v4/letter/c/5f9b8f/32.png) [@coffsoft](https://discourse.mcneel.com/u/coffsoft)\
**Post date:** [August 12, 2019, 10:28pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/7 "2019-08-12T22:28:38Z")

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Hi Steve. TestToggleTechDisplayMode did not help. I have attached a model. You will see that the lines on the display screen are correct, but some of the lines on the PDF are too thick. Look at the lines for L WM Dryer and L Double Tub.

![image](https://global.discourse-cdn.com/mcneel/uploads/default/original/3X/e/0/e01fbf42fabb1e6d30d9abaf2e7d5e39fb9bac26.png)

[HouseRemodelZReduced.pdf](https://discourse.mcneel.com/uploads/short-url/gzS50WeNTg1Y2Wz0KbTtFb8Xm70.pdf) (1.3 MB)

[HouseRemodelZReduced.3dm](https://discourse.mcneel.com/uploads/short-url/4rEQnzlNvYKbGjXKsOQq4DjrsAY.3dm) (4.0 MB)

Regards, Garry.

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<div class="post-metadata">

**Author:** ![stevebaer](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/stevebaer/32/473567_2.png) [@stevebaer](https://discourse.mcneel.com/u/stevebaer)\
**Post date:** [August 12, 2019, 11:02pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/8 "2019-08-12T23:02:12Z")

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@pascal, can you check this out? I’m not sure if this is a stop-ship issue for `6.17` yet.

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<div class="post-metadata">

**Author:** ![pascal](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/pascal/32/479395_2.png) [@pascal](https://discourse.mcneel.com/u/pascal)\
**Post date:** [August 12, 2019, 11:10pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/9 "2019-08-12T23:10:41Z")

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@stevebaer - I get the fat lines printing this file from 6.18. I’ll compare with earlier builds.

6.16 looks correct.  
6.17 not…

[https://mcneel.myjetbrains.com/youtrack/issue/RH-54266](https://mcneel.myjetbrains.com/youtrack/issue/RH-54266)

I made it Major… adjust to taste.

@coffsoft thanks for the report.

-Pascal

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<div class="post-metadata">

**Author:** ![stevebaer](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/stevebaer/32/473567_2.png) [@stevebaer](https://discourse.mcneel.com/u/stevebaer)\
**Post date:** [August 12, 2019, 11:34pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/10 "2019-08-12T23:34:30Z")

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Thanks Pascal, that makes this stop ship for releasing 6.17. I gave you the fun task of bisecting to find the exact build when things broke… sorry.

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<div class="post-metadata">

**Author:** ![coffsoft](https://avatars.discourse-cdn.com/v4/letter/c/5f9b8f/32.png) [@coffsoft](https://discourse.mcneel.com/u/coffsoft)\
**Post date:** [August 13, 2019, 12:00am UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/11 "2019-08-13T00:00:57Z")

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Hi Steve. There might be a clue to the build in my first post. I upgrade Release Candidates fairly regularly.

Regards, Garry.

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<div class="post-metadata">

**Author:** ![stevebaer](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/stevebaer/32/473567_2.png) [@stevebaer](https://discourse.mcneel.com/u/stevebaer)\
**Post date:** [August 13, 2019, 12:32am UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/12 "2019-08-13T00:32:23Z")

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Thanks Garry, we have multiple internal builds per day so hopefully we can find the exact one when the regression occurred

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**Author:** ![brian](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/brian/32/504171_2.png) [@brian](https://discourse.mcneel.com/u/brian)\
**Post date:** [August 20, 2019, 9:59pm UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/13 "2019-08-20T21:59:14Z")

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[RH-54266](https://mcneel.myjetbrains.com/youtrack/issue/RH-54266) is fixed in the latest [Service Release Candidate](https://discourse.mcneel.com/t/rhino-6-for-windows-service-release-candidates/53358)

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<div class="post-metadata">

**Author:** ![coffsoft](https://avatars.discourse-cdn.com/v4/letter/c/5f9b8f/32.png) [@coffsoft](https://discourse.mcneel.com/u/coffsoft)\
**Post date:** [August 21, 2019, 3:02am UTC](https://discourse.mcneel.com/t/pdf-line-weight-became-heavy-after-rhino-6-update-to-sr17-6-17-19189-16411-8-07-2019/86135/14 "2019-08-21T03:02:47Z")

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Hi Brian. Thank you. I have installed Version 6 SR17 (6.17.19232.11391, 20/08/2019). That corrected the problem.

Thanks to @stevebaer and @pascal.

Regards, Garry.