How do you activate 3D on a layer in Adobe After Effects?

To activate 3D on a layer in Adobe After Effects, the correct approach is to click on the 3D switch for the layer, which resembles a 3D cube. This switch is a visual toggle that enables and disables the 3D functionalities for that specific layer.

When the 3D switch is enabled, the layer gains additional depth and perspective options, allowing for more complex animations and interactions in a 3D space. This functionality expands the creative possibilities within your project, enabling you to apply 3D transformations like rotations and perspective adjustments.

Other options don't provide the straightforward path to enable 3D. For instance, accessing layer properties or right-clicking does not direct you to the essential tool for activating the 3D environment. While you may find other settings or functions in those contexts, the dedicated 3D switch is specifically designed for this purpose, making it the most efficient and effective choice for activating 3D attributes on a layer.