I created a 3D structure with three layers in Adobe Illustrator using the Extrude & Bevel effect. It consists of three slabs (orange and transparent, then grey and opaque and blue and transparent), where the grey one has holes inside. The orange slab should continue into the holes in the grey slab. As can be seen in the picture at the bottom, there are two separate orange blocks that have an interface together. This interface looks darker than it should, since two boundaries meet.

How can I remove or merge this interface (to make it look as if this is one solid block with cylinders sticking out from it)?

enter image description here

1 Answer 1


Oh well. I figured it out.

In such a case the orange slab can simply made longer to pass through the opaque slab. This will remove the interfaces. The only problem is that now the side faces of the grey opaque slab are a bit orange.

enter image description here

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