I have three layers, and want to use the top layer to knockout the shape from the underline layers so that it is transparent. Don't I use the shape builder tool or is there another way to do it?

  • What do you mean by "underline" layers. Did you mean underlying layers? – Billy Kerr Sep 11 at 13:25

Put the layers inside a 4th layer, select the layers appearance with the sphere next to the appaearnce name. Make that layer a transparency knockout group. Select the topmost sublayers appearance and make it transparent. The downside is that all the other transparencies now also knockout.

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Set the transparency of the topmost object to 0% > group all three objects > go to TRANSPARENCY PANEL > click on KNOCKOUT GROUP.

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  • Sorry, that is, "Set the transparency of the topmost OBJECT to 0%..." – rfranc Sep 9 at 22:08
  • could you add some screenshots showing how this works? – Alith7 Sep 10 at 20:54

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