Time for action – creating a turret

Since we want four identical turrets in each corner of the arena, they're a perfect case for a prefab, which we can create with the following steps:

1. Create an empty parent object inside Environment by selecting Create | Create Empty and naming it Barrier_01.
2. Create two Cube primitives from the Create menu, positioning and scaling them as a v-shaped base.

3. Create two more Cube primitives and place them on the ends of the turret base:

4. Create a new folder in the Project panel and name it Prefabs. Then, drag Barrier_01 into it:

Barrier_01, and all its child objects, is now...