Solvents for various putties.
(By the way my problem was trying to smooth a convex curve not concave. At my age I get words mixed occasionally.)

Anyway I found that lacquer Smoothing contours thinner Smoothing contours works great for smoothing Squadron Smoothing contours Green putty Smoothing contours . Water, alcohol Smoothing contours , paint thinner Smoothing contours just leaves it grainy.

Paint thinner Smoothing contours seems to smooth Testorís putty Smoothing contours and water seems to smooth Tamiya Smoothing contours Epoxy Smoothing contours putty Smoothing contours .

Had to send away for a small kit of sculpting tools for better application technique than a screw driver and my finger.


Smoothing contours