Masking a group of objects in Adobe Illustrator is straightforward. You create a clipping mask using the group itself, rather than selecting individual objects within the group.
Creating a Clipping Mask from a Group
- Group your objects: Select all the objects you want to mask and group them (Object > Group or Cmd/Ctrl + G).
- Select the masking shape: Choose the shape that will define the boundaries of your mask. This shape should be placed above the grouped objects in the Layers panel.
- Create the clipping mask: With both the group and the masking shape selected, go to Object > Clipping Mask > Make (Cmd/Ctrl + 7). The objects within the group will now be clipped to the shape.
Important Considerations:
- Layer Order: The masking shape must be on top of the grouped objects in the Layers panel.
- Single Clipping Path: Remember that only one clipping path can exist for each mask. If you want a more complex mask, merge or combine shapes before creating the clipping mask. Consider using the Pathfinder panel to unite multiple shapes into one.
- Modifying the Mask: After creating the clipping mask, you can easily edit either the mask itself or the objects within the group. Changes will automatically update the clipping mask.
- Pre-existing Groups: As confirmed by several sources, including a YouTube tutorial ([How to create a Clipping Mask for/in a Group [Adobe Illustrator] - YouTube](Example URL from provided reference, replace with actual URL if available)) and various forum discussions, you can directly apply a clipping mask to a pre-existing group of objects. Simply select the entire group and then select the masking shape before creating the clipping mask.
This method works reliably for masking complex groups, as supported by answers on Graphic Design Stack Exchange ([Illustrator: apply clipping mask to group - Graphic Design Stack Exchange](Example URL from provided reference, replace with actual URL if available)), streamlining the masking process.