What are free tools for node UV maps 3D models?

Free node-based UV mapping tools for 3D models include Blender (built-in UV node editor) and UVLayout (free limited version). Blender uses visual node setups to create, edit, and pack UVs—no extra downloads needed. UVLayout’s free tier streamlines unwrapping with node-like steps for focused workflows. Beginners should start with Blender—it has built-in tutorials and a large community to help with node-based UV mapping.