Brush Meshes
This page is a work in progress. It will be updated within the next weeks.
For the time being, here's an example on how to build a brush mesh cube instead:
BrushMesh cube = RealtimeCSG.Legacy.BrushFactory.CreateCube(Vector3.one);
BrushMeshInstance cubeMeshInstance = BrushMeshInstance.Create(cube, userID);
Note: See "CSG Trees" on how to create a CSG tree using the created BrushMeshInstance