TLayer3D is one of the available 3D layers you can find under the 3D Layers category in the IDE component palette. It is basically a bridge between the 3D and 2D world as it is actually a 3D visual component that can host 2D visual components.
You can make use of a TLayer3D instance as you would any other 3D FMX components. You can set its position (three-axis rotation included), size, scale, and any other available property that you would find in other 3D components. With the additional feature, this component can be a parent of, just to name a couple of possibilities, a TListView or a TLayout instance.
In the Mix3D2D demo project, you can see I've created a 3D application (using the TForm3D approach discussed earlier in this chapter) with some 3D objects. As you can see in the following screenshot, there are two TDummy instances, one holding the 3D scene (specifically a TProxyObject component), and a second one named DummyUI holding...
