Region ( r )

[HS_Kim]

It would be a good idea to search similar topics in this discourse before you asking a question.

How to make Voronoi nodes falls on a closed boundary curve

[Voronoi_diagram_re] Voronoi_diagram_re.gh (6.1 KB) like this?

Voronoi on complex surface slow

@HS_Kim ’ s solution works well, you can just convert the final curve regions into surfaces (just use a Surf parameter). Yes, always avoid Patch command if not strictly needed. Here another solution voronoi test_02_re2.gh (10.8 KB)

Voronoi with inner boundary (rectangular frame)

[QQ截图20171112164258]