To unwrap a node-based 3D model without Cinema 4D, use free or affordable tools like Blender, Maya LT, or Substance 3D Painter—all include UV unwrapping features compatible with node workflows.
Node-based unwrapping works by marking seams (edges that split the model for flattening) and using tools like Blender’s “Smart UV Project” or Substance’s “UV Unwrap” to generate UVs. Preview these alongside node materials to ensure texture alignment.
For beginners, start with Blender’s “UV Editing” workspace: mark seams along model creases first, run “Smart UV Project” for a base unwrap, and tweak seams if UVs stretch—this keeps node textures sharp without extra software.