But all is forgiven if you know how to flatten your transparency before printing. If you use InDesign (or Illustrator 10 or Acrobat 5, for that matter. If they do want you to flatten your files, it’s easy to implement. Set Transparency Blend Space in InDesign When creating any type of PDF. Now, to be perfectly clear: the point of this exercise is just for fun, and to learn a few things about what happens when you flatten transparency.

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Flatten transparent artwork in Adobe InDesign

Transparency Flattener Preset options. To keep transparenncy many objects vector as possible, trznsparency the [High Resolution] transparency flattener preset in the Advanced area of the Print or Export Adobe PDF dialog box.

The results are unpredictable when the file is output from a page-layout application. With this option, blending modes and overprints are lost, but their appearance is retained within the processed artwork, along with the level of alpha transparency as when you rasterize artwork using a transparent background.

How to Flatten an InDesign Document | It Still Works

Instead, use Overprint Preview mode for those purposes. Video of the Day.

Common effects that apply transparency are any stylising effects like shadows, glows and feathering. Select a indesifn in the list. To preview the separations open the Output Preview tab:. On this page About flattening About transparency flattener presets Apply a flattener preset for output Create or edit a transparency flattener preset Export and import a custom transparency flattener preset Rename or delete a custom transparency flattener preset Flatten an individual spread Ignore the flattener preset on an individual spread Transparency Flattener options Preview which areas of artwork will be flattened Refresh the preview in the Flattener Preview panel Best practices when creating transparency.


Therefore, Simulate Overprint should not be selected for output that will be color separated later. The All Rasterized Regions option also shows raster graphics such as Photoshop files involved in transparency, and raster effects such as drop shadows and feathers.

Converts all type objects transparehcy type, area type, and path type to outlines and discards all type glyph information on pages containing transparency.

Using spot colors with certain blending modes sometimes produces unexpected results. Either choose a preset or, if available, set specific options. Use a process color where possible.

How do I flatten a transparency in InDesign, Illustrator or Photoshop?

You can use this color-coded information to adjust flattening options. Preview which areas of artwork will be flattened. Flattening of files is best done in Acrobat Pro, even when the artwork has been created in InDesign, Illustrator or Photoshop. In this case, be sure to reproof the color on every spread that has transparency, and avoid using the Difference and Exclusion blend modes—these modes can change the appearance dramatically.

In PDF output, this simulation converts spot colors to process color equivalents. In Illustrator and Acrobat, to magnify the preview, click in the preview area. Select “Default” to use the program’s flattening presets.

In both cases, the display is updated in the document window according to the transparency flattening settings you chose. The flattener requires high-resolution data to accurately process a document with transparency.

If you regularly print or export documents that contain transparency, you can automate the flattening process by saving flattening settings in a transparency flattener preset. The printing press needs your layout flatteh opaque values and will not dine well on the overlapping semi-see-through inspired piece you’ve created.


Generally preserves spot colors. Converting all the colors results in consistency across any two same-colored objects on a spread, and avoids more dramatic color behavior at the edges of transparency. Flattening divides transparent artwork into vector-based areas and rasterized areas. One of the functions that can help the digital designer exercise precise control over graphic elements, color, typography and measurements is the use of layers.

Another way to prevent problems is to make sure that your spot inks are consistent in both the original application for example, Adobe Illustrator and InDesign. This is because InDesign uses process color equivalents on screen, but uses spot colors in print. However, in an OPI proxy workflow, placeholder or proxy images are used, for later replacement with high-resolution versions by an OPI server. Higher settings preserve more vector objects, while lower settings rasterize more vector objects; intermediate settings preserve simple areas in vector form and rasterize complex ones.

Initially we need to check what Colour Separations are contained in the file. Grade your skills now. Check that the default settings are as shown in the screenshot above. In InDesign, transparency flattener preset files have an.