This is an example of the KeyShot Pattern Tool. It can be used to quickly create additional instances of your models within a scene. This is different than using Duplicate to make a copy and much much faster than building out each model in your 3D software. Each instance can look different and even be oriented differently than the rest. Overall, with the KeyShot Pattern Tool, you get increased speed and decreased file size. A step-by-step can be seen here: https://blog.keyshot.com/how-to-use-the-keyshot-pattern-tool
KeyShot 9 Quick Tip - Pattern Tool