If, after the end of the paving process, you note some unsightly areas in the paving (see faq regarding this remark), you can modify manually the paving layout calculated by the software. You just have to select rectangular groups of slab and apply inversion or rotation on these groups. This feature will allow you to brake some long joint lines or modify accumulation of identical slabs.
This feature allows to act manually on the layout calculated by the software and improve the random effect of the paving.
The group of slab to be inverted is simply selected by using the mouse, the video below illustrates this feature: