Q "It did remove material right?"
A "No, it removed rust"
Conclusion: Rust is not material
It is metaphysical and should be treated as such. This is why Glen's magic mushrooms work so well
:roflmao
Xman, thanks for the drawing. It appears that sometimes smoothing and sharpening are one and the same, at least to the untrained eye. keep the ideas coming, it's interesting!