Crystal Nodes provides a toolset dedicated to generating crystallography illustrations in Blender. It includes extended primitive nodes specifically designed for non-isometric crystal systems, allowing users to create basic grain forms. The add-on features instancing capabilities that replicate common crystal growth patterns, including radiating, plumose, parallel, granular, felted, and foliated structures. It also includes utilities for generating h,k,l planes, extruding and mirroring faces, and instancing objects based on Bravais lattice translations.