add some testgeo, which will become the grain body then add vellum configure grain …
basic setup add planar patch node (like grid, but triangles) edge length: 0.05 center: …
create the leaf geometry (or snowflake) add geo node, name it leaf and dive …
add some geo (box) add geo with grid node and dive inside (move/position it …
basic setup add another grid node, name it lowres center: 0 10 0 rows: …
