Objects shifting out of alignment and fractal bits showing up after using Shape Builder tool.

New Here ,
May 28, 2022 May 28, 2022

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Good morning,

 

I'm working on designs for surface pattern design collections and started noticing that objects are not aligning precisely and could use some help solving this issue. Fractal bits are showing up outside the pattern motif after aligning the shapes using the transform and shape builder tools. In outline mode everything is lined up.

 

It seems after I use the shape builder tool, objects shift slightly. It's like there is an imaginary grid the objects are snapping to. I don't have any of the snap to features or align to pixel grid turned on.

 

I have tried many things over the last few days and the issue hasn't resolved itself from:

1. Updating my operating system

2. Uninstalling and reinstalling Illustrator

3. Deleted Illustrator preferences

4. Tried changing the New Document Profiles as suggested in another post I read but that didn't work. The changes I made didn't stick with the files I changed.

 

Attached are a few screenshots of the issue to help illustrate what I talking about. 

 

Thank you for any insight/solution provided. 
Screen Shot 2022-05-26 at 2.46.55 PM.pngScreen Shot 2022-05-24 at 4.02.27 PM.pngScreen Shot 2022-05-24 at 3.39.32 PM.pngScreen Shot 2022-05-26 at 7.32.52 PM.pngScreen Shot 2022-05-27 at 7.23.11 AM.pngScreen Shot 2022-05-24 at 4.03.20 PM.png

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Bug , Draw and design , How to , Performance , Print and publish , Tools

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Adobe Community Professional , May 28, 2022 May 28, 2022
If everything looks lined up in outline mode, it is probably a GPU Preview poblem. Can you try to switch between GPU and CPU preview with Cmd or Ctrl E?

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Adobe Community Professional ,
May 28, 2022 May 28, 2022

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If everything looks lined up in outline mode, it is probably a GPU Preview poblem. Can you try to switch between GPU and CPU preview with Cmd or Ctrl E?

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New Here ,
Jun 02, 2022 Jun 02, 2022

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Hi Ton.

 

Thanks so much for your response to my inquiry about objects not aligning. 


I switched to CPU preview and that seemed to work. What is the main difference between GPU and CPU?

 

I do have to double-check the x and y coordinates though. What I'm finding is that sometimes the objects line up perfectly and sometimes they don't when I view things in outline mode to double-check the x and y coordinates. For example, the shape I'm aligning to x/y coordinates are 9.1667 and the second shape x/y coordinates are 9.1666. And this throws everything off. Would you have any thoughts as to why this would happen?

 

Thanks again for your suggestion. I wouldn't consider it. 🙂

 

PS My old laptop runs CS6. And I replicated the same motif pattern there and it worked. No fractal bits. The shapes x and y coordinates all alignment perfectly. LOL

 

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Adobe Community Professional ,
Jun 02, 2022 Jun 02, 2022

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Hi Caryn, GPU preview uses the processor of your graphics card. Graphics cards are designed to quickly display graphics on your screen, they are fast but not as accurate as the processor of your computer.

Your CS6 Illustrator does not use the GPU to preview.

Are you sure you cannot enter 9.1666 instead of 9.1667? What units do you use? If it is anything else than Points or Pixels, rounding errors can occur.

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New Here ,
Jun 06, 2022 Jun 06, 2022

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Hi Ton.

 

Thank you for explaining the difference between GPU and CPU. I appreciate it. 

 

I'm working in inches. Yes, I can change the the x/y coordinates to make sure the position the circle objects align with the first one which is the square. It's the square that I'm basing the x/y coordinates from and finding I have to change the x/y coordinates after I move the circle. 

 

I really have had any issues with objects lining up until this one correctly until this experience using inches. I will try using points or pixels and see what that does.

 

Thanks again for your help. Super grateful.

 

Caryn

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Adobe Community Professional ,
Jun 06, 2022 Jun 06, 2022

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Thanks Caryn, glad to hear that helped a bit. Please let us hear if using points or pixels works for you. 

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