4 tools

Tree Planting _ Plant tree in a given site and the density could be controlled in multi-points as inputs.

Pipe ? Cave ? _ Generate a pipe-shape (cave-shape) between 2 points, and the whole shape could be influenced if input other points.

Twig path _Simulate the rule of twig growing and create a path among multi-points instead of straight path.

Image to aggregation _ Convert an image to a pattern which is the aggregation of certain materials like bricks, glass, etc.