In the PitStop Server Hot Folder Editor, select the Flattening category. Enable Resolve overprint if you want to flatten overprint objects as well, without. Flattened, with Flatten Overprints off. In this case, only the Multiply blend has been flattened. The magenta outside the cyan is now solid magenta without blend. To understand flattening, the Figure below demonstrates the difference between the Choose a preset from the Overprint and Transparency Flattener options.

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Traps applied to artwork in Adobe Illustrator using strokes and placed in InDesign will be preserved.

In this case, be sure to reproof oveeprint color on every spread that has transparency, and avoid using the Difference and Exclusion blend modes—these modes can change the appearance dramatically.

Blends the color of transparent artwork with the background color to create an overprint oveprint. Flatten overprint and transparency callas pdfToolbox profile. Expanded Patterns Illustrator and Acrobat. Highlights all text that will be outlined if involved in transparency or because Convert All Text To Outlines is selected. Preserves the overall opacity of flattened objects. If you use blending, check your design periodically using Overprint Preview in the View menu.


To minimize stitching problems, select Clip Complex Regions.

To edit an existing preset, select the preset and click Edit. The resolution affects the precision of intersections when flattened.

Preserves the overall opacity of flattened objects. This option is only available if the printer driver for the selected printer supports bitmap printing. Some print drivers process raster and vector art differently, sometimes resulting in color stitching. At print or export time, you can revert to the flattener settings for the document or book.

Choose Spread Flattening in the Pages panel menu. Possible tools could be something flattten Adobe Acrobat that allows you to save images, or a tool such as callas pdfToolbox.

Illustrator allows a maximum of ppi for both line art and gradient mesh. How do I flatten overprint? Ensures that the boundaries between vector artwork and rasterized artwork fall along object paths. In addition, in Illustrator you can apply them when saving files to earlier versions of Illustrator overrprint when copying to the clipboard; in Acrobat, you can also apply them when optimizing PDFs.

Use a different blending mode or no blending mode. Refresh the preview in the Flattener Preview panel. From the Highlight menu, choose the kind of areas you want to highlight.

Transparency flattening (Adobe Acrobat Pro)

In Acrobat, choose Preserve Overprint to blend the color of transparent artwork with the background color to create an overprint effect. This option reduces stitching artifacts that result when part of an object is rasterized while another part of the object remains in vector form.


In this case, you can flatten the complex spread at a high quality, and use a faster and lower-quality flattener preset on the other spreads. You cannot delete the default presets.

Export and import a custom transparency flattener preset. At any time, click Refresh to display a fresh preview version based on your settings. I was involved in a project where we did general optimizations of PDF for output, but it is not quite present right now.

Expanded Patterns Illustrator flattrn Acrobat.

How do I flatten overprint?

The Flattener Preview is not intended for precise previewing of spot colors, overprints, and blending modes. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is overprjnt to these policies. Use a process color where possible. I tried different PDF Standards and still had issues.

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