The generation of the Ogrid is fully automatic and you simply select the blocks needed for Ogrid generation. The Ogrid is then generated either inside or outside the selected blocks. The Ogrid can be fully contained within its selected region, or it can pass through any of the selected block faces.

When the Ogrid is generated, its size is scaled based upon a factor in the Blocking >Edit Block > Modify Ogrid window. The Rescale Ogrid feature enables you to re-scale the previously generated Ogrid. If a value less than 1 is assigned, the resulting Ogrid will be smaller than the original. Conversely, a value larger than 1, will result in a larger Ogrid.

The blocks can also be modified by moving the vertices of the blocks and by defining specific relationships between the faces, edges and vertices to the geometry.