Blender add-on "NodeTree Source" v. 1.2.4.

Blender add-on "NodeTree Source" updated to v. 1.2.4.

Fixed issue with non-letter-numeric symbols in materials names by replacing all of them with underscores.

Read more: https://b3d.interplanety.org/en/blender-add-on-nodetree-source-v-1-2-4/