copy_material Last update: 16.07.2026 MaterialData.copy_material(source, on_duplicate_name='keep_both', memo=None) Copy a material. Parameters source: Source object to copy. on_duplicate_name: Action to take if source.name is already contained in self.materials. keep_both: Create a new instance with the same name (different ID). overwrite: Replace first instance with equal name in self with source. keep_existing: Ignore copy action. Returns first existing instance in self with equal name. memo: A dict to collect copied items (for internal dependency tracking when copying stackups or sublaminates). Returns New instance of material.
